AMPEX CORPORATION

Organization

REDWOOD CITY, CA, US

RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT
Business Address
1228 DOUGLAS AVENUE 1228 DOUGLAS AVENUE REDWOOD CITY CA 94063-3117 650-367-2011
Mailing Address
1228 DOUGLAS AVENUE 1228 DOUGLAS AVENUE REDWOOD CITY CA 94063-3117
State Location
CA
State of Incorporation
DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for improving the image quality of transmitted...
- Patent number 6,724,826
- Issue date Apr 20, 2004
- Ampex Corporation
- George R. Varian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Inter-row transfer unit for moving tape cartridges between rows of...
- Patent number 6,457,928
- Issue date Oct 1, 2002
- Ampex Corporation
- Dennis M. Ryan
- G11 - INFORMATION STORAGE
Information Patent Grant
Transfer unit extending between two or more cabinets for expansion...
- Patent number 6,438,623
- Issue date Aug 20, 2002
- Ampex Corporation
- Dennis M. Ryan
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital servo track format with leading and trailing identifiers
- Patent number 6,124,993
- Issue date Sep 26, 2000
- Ampex Corporation
- Kurt F. Hallamasek
- G11 - INFORMATION STORAGE
Information Patent Grant
Electronic record/play switch with low noise low input impedance pr...
- Patent number 6,111,718
- Issue date Aug 29, 2000
- Ampex Corporation
- James W. Jones
- G11 - INFORMATION STORAGE
Information Patent Grant
System for estimating tape pack radius using a Kalman filter
- Patent number 6,082,653
- Issue date Jul 4, 2000
- Ampex Corporation
- John Abedor
- G11 - INFORMATION STORAGE
Information Patent Grant
Step gap head tracking servo
- Patent number 6,081,401
- Issue date Jun 27, 2000
- Ampex Corporation
- George R. Varian
- G11 - INFORMATION STORAGE
Information Patent Grant
User configurable raid system with multiple data bus segments and r...
- Patent number 6,076,142
- Issue date Jun 13, 2000
- Ampex Corporation
- Richard A. Corrington
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic storage and reproducing system with a low permeability kee...
- Patent number 6,043,947
- Issue date Mar 28, 2000
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head tip design to reduce dynamic spacing loss and improve...
- Patent number 6,023,396
- Issue date Feb 8, 2000
- Ampex Corporation
- Kaynam Chun
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining a quantizing factor for multi-...
- Patent number 5,930,398
- Issue date Jul 27, 1999
- Ampex Corporation
- John P. Watney
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Viterbi detector for class II partial response equalized miller-squ...
- Patent number 5,916,315
- Issue date Jun 29, 1999
- Ampex Systems Corporation
- William E. Ryan
- G11 - INFORMATION STORAGE
Information Patent Grant
Mechanical operations and volume format identifying system zones fo...
- Patent number 5,872,667
- Issue date Feb 16, 1999
- E-Systems, Inc.
- Stephen M. Adams
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system having a saturable layer and detection us...
- Patent number 5,870,260
- Issue date Feb 9, 1999
- Ampex Corporation
- David H. Davies
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for providing a magnetic storage and reproduci...
- Patent number 5,861,220
- Issue date Jan 19, 1999
- Ampex Corporation
- Thomas M. Coughlin
- G11 - INFORMATION STORAGE
Information Patent Grant
Particulate magnetic medium utilizing keeper technology and methods...
- Patent number 5,843,565
- Issue date Dec 1, 1998
- Ampex Corporation
- David H. Davies
- G11 - INFORMATION STORAGE
Information Patent Grant
Hybrid arm-position/tape-tension servocontrol system
- Patent number 5,836,533
- Issue date Nov 17, 1998
- Ampex Corporation
- Kurt F. Hallamasek
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage and reproducing system with a low permeability kee...
- Patent number 5,830,590
- Issue date Nov 3, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a composite metal and ferrite head transducer
- Patent number 5,826,326
- Issue date Oct 27, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Small core magnetic head with non-magnetic side support
- Patent number 5,774,311
- Issue date Jun 30, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Track-curvature detection using clock phase shift in azimuth recording
- Patent number 5,757,575
- Issue date May 26, 1998
- Ampex Corporation
- Kurt F. Hallamasek
- G11 - INFORMATION STORAGE
Information Patent Grant
Video special effects system with graphical operator interface
- Patent number 5,748,192
- Issue date May 5, 1998
- Ampex Corporation
- Dennis Allen Lindholm
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video special effects system with graphical operator interface
- Patent number 5,742,295
- Issue date Apr 21, 1998
- Ampex Corporation
- Dennis Allen Lindholm
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data recorder using still framing techniques for information retrie...
- Patent number 5,729,400
- Issue date Mar 17, 1998
- Ampex Corporation
- Keith A. Kambies
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-gap magnetic read/write head
- Patent number 5,729,413
- Issue date Mar 17, 1998
- Ampex Corporation
- Beverley R. Gooch
- G11 - INFORMATION STORAGE
Information Patent Grant
Extended-resolution pulse-width modulation servomotor drive
- Patent number 5,721,475
- Issue date Feb 24, 1998
- Ampex Corporation
- Clinton A. Fincher
- G05 - CONTROLLING REGULATING
Information Patent Grant
Magnetic core with field confinement structure
- Patent number 5,717,552
- Issue date Feb 10, 1998
- Ampex Corporation
- George R. Varian
- G11 - INFORMATION STORAGE
Information Patent Grant
Azimuth record head for minimizing and equalizing crosstalk between...
- Patent number 5,710,673
- Issue date Jan 20, 1998
- Ampex Corporation
- George R. Varian
- G11 - INFORMATION STORAGE
Information Patent Grant
Boxed leaf flexural pantographic mount for a magnetic transducing h...
- Patent number 5,699,211
- Issue date Dec 16, 1997
- Ampex Corporation
- Steven L. Magnusson
- G11 - INFORMATION STORAGE
Information Patent Grant
Moveable capstan assembly for selectively contacting a media, which...
- Patent number 5,646,798
- Issue date Jul 8, 1997
- Ampex Corporation
- Dennis M. Ryan
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SYMMETRIC AND ASYMMETRIC ENCRYPTION OF RECORDED DATA
- Publication number 20240163091
- Publication date May 16, 2024
- Ampex Data Systems Corporation
- Malcolm A. C. Weir
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Trademarklast 30 trademarks

Information Trademark
98261136 - TUFFSERV
- Serial number 98261136
- Registration number 7529493
- Filing date Nov 8, 2023
- Ampex Data Systems Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
85400693 - TUFFSERV
- Serial number 85400693
- Registration number 4149253
- Filing date Aug 17, 2011
- Ampex Data Systems Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77783898 - MINIR
- Serial number 77783898
- Registration number 3760546
- Filing date Jul 17, 2009
- Ampex Data Systems Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75388102 - DCRSI
- Serial number 75388102
- Registration number 2255037
- Filing date Nov 6, 1997
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75119900 - DCRSI
- Serial number 75119900
- Filing date May 15, 1996
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74675890 - EXDAR
- Serial number 74675890
- Filing date May 17, 1995
- Ampex Media Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74675376 - QUANTEGY
- Serial number 74675376
- Registration number 2053363
- Filing date May 17, 1995
- Ampex Media Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74675835 - MEDEON
- Serial number 74675835
- Filing date May 17, 1995
- Ampex Media Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74675832 - OVATO
- Serial number 74675832
- Filing date May 17, 1995
- Ampex Media Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74248454 - DST
- Serial number 74248454
- Registration number 1814373
- Filing date Feb 21, 1992
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74187038 - DCT
- Serial number 74187038
- Registration number 1804993
- Filing date Jul 22, 1991
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74178915 - TERASTORE
- Serial number 74178915
- Filing date Jun 21, 1991
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74178916 - TERAACCESS
- Serial number 74178916
- Filing date Jun 21, 1991
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74101801 - AMPEX
- Serial number 74101801
- Registration number 1687643
- Filing date Oct 1, 1990
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74067629 - AUTORESOLVE
- Serial number 74067629
- Registration number 1641978
- Filing date Jun 11, 1990
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74052075 - DATPAK
- Serial number 74052075
- Registration number 1810487
- Filing date Apr 23, 1990
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74052074 - DAT PAK
- Serial number 74052074
- Filing date Apr 23, 1990
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74024626 - ALEX
- Serial number 74024626
- Registration number 1619675
- Filing date Feb 1, 1990
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73795959 - ACE
- Serial number 73795959
- Registration number 1592822
- Filing date Apr 26, 1989
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73766882 - D2
- Serial number 73766882
- Filing date Dec 2, 1988
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73669892 - ADO
- Serial number 73669892
- Registration number 1484118
- Filing date Jul 2, 1987
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73661291 - AST
- Serial number 73661291
- Registration number 1515178
- Filing date May 18, 1987
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73400842 - ALAR
- Serial number 73400842
- Registration number 1285884
- Filing date Oct 26, 1982
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73280360 - DIALOGUE
- Serial number 73280360
- Filing date Oct 3, 1980
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73180339 - 20/20 +
- Serial number 73180339
- Registration number 1133544
- Filing date Jul 31, 1978
- AMPEX CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73180353 - PLUS
- Serial number 73180353
- Registration number 1138623
- Filing date Jul 31, 1978
- AMPEX CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73130979 - M MEGASTORE
- Serial number 73130979
- Registration number 1098632
- Filing date Jun 20, 1977
- AMPEX CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73084875 - GRAND MASTER
- Serial number 73084875
- Registration number 1163463
- Filing date Apr 23, 1976
- Ampex Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73073251 - AMPEX
- Serial number 73073251
- Registration number 1074904
- Filing date Jan 2, 1976
- AMPEX CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
72246432 - VIDEOFILE
- Serial number 72246432
- Registration number 836695
- Filing date May 24, 1966
- AMPEX CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

AMPEX CORPORATION

Organization

Business Address

Mailing Address

State Location

State of Incorporation

Patents Grantslast 30 patents

Method and apparatus for improving the image quality of transmitted...

Inter-row transfer unit for moving tape cartridges between rows of...

Transfer unit extending between two or more cabinets for expansion...

Digital servo track format with leading and trailing identifiers

Electronic record/play switch with low noise low input impedance pr...

System for estimating tape pack radius using a Kalman filter

Step gap head tracking servo

User configurable raid system with multiple data bus segments and r...

Magnetic storage and reproducing system with a low permeability kee...

Magnetic head tip design to reduce dynamic spacing loss and improve...

Method and apparatus for determining a quantizing factor for multi-...

Viterbi detector for class II partial response equalized miller-squ...

Mechanical operations and volume format identifying system zones fo...

Magnetic recording system having a saturable layer and detection us...

Method and apparatus for providing a magnetic storage and reproduci...

Particulate magnetic medium utilizing keeper technology and methods...

Hybrid arm-position/tape-tension servocontrol system

Magnetic storage and reproducing system with a low permeability kee...

Method for manufacturing a composite metal and ferrite head transducer

Small core magnetic head with non-magnetic side support

Track-curvature detection using clock phase shift in azimuth recording

Video special effects system with graphical operator interface

Video special effects system with graphical operator interface

Data recorder using still framing techniques for information retrie...

Two-gap magnetic read/write head

Extended-resolution pulse-width modulation servomotor drive

Magnetic core with field confinement structure

Azimuth record head for minimizing and equalizing crosstalk between...

Boxed leaf flexural pantographic mount for a magnetic transducing h...

Moveable capstan assembly for selectively contacting a media, which...

Patents Applicationslast 30 patents

SYMMETRIC AND ASYMMETRIC ENCRYPTION OF RECORDED DATA

Trademarklast 30 trademarks

98261136 - TUFFSERV

85400693 - TUFFSERV

77783898 - MINIR

75388102 - DCRSI

75119900 - DCRSI

74675890 - EXDAR

74675376 - QUANTEGY

74675835 - MEDEON

74675832 - OVATO

74248454 - DST

74187038 - DCT

74178915 - TERASTORE

74178916 - TERAACCESS

74101801 - AMPEX

74067629 - AUTORESOLVE

74052075 - DATPAK

74052074 - DAT PAK

74024626 - ALEX

73795959 - ACE

73766882 - D2

73669892 - ADO

73661291 - AST

73400842 - ALAR

73280360 - DIALOGUE

73180339 - 20/20 +

73180353 - PLUS

73130979 - M MEGASTORE

73084875 - GRAND MASTER

73073251 - AMPEX

72246432 - VIDEOFILE