GTE COMMUNICATION SYSTEMS CORPORATION, A DE CORP

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NORTHLAKE, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting diode message waiting lamp circuit
- Patent number 4,648,109
- Issue date Mar 3, 1987
- GTE Communication Systems Corp.
- Eduard F. B. Boeckmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Backup battery power supply for microprocessor based telephones
- Patent number 4,647,787
- Issue date Mar 3, 1987
- GTE Communication Systems Corp.
- Karl E. Pommer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disconnect circuit for use between telephone switching systems
- Patent number 4,645,880
- Issue date Feb 24, 1987
- GTE Communication Systems Corp.
- Robert W. Lembke
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surge protected electronic switch for telephone voiceband circuits
- Patent number 4,634,814
- Issue date Jan 6, 1987
- GTE Communication Systems Corp.
- Karl E. Pommer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Temperature compensated reference circuit
- Patent number 4,634,959
- Issue date Jan 6, 1987
- GTE Communication Systems Corp.
- Eduard F. B. Boeckmann
- G05 - CONTROLLING REGULATING
Information Patent Grant
Test fixture including deflectable probes
- Patent number 4,633,176
- Issue date Dec 30, 1986
- GTE Communication Systems Corp.
- William A. Reimer
- G01 - MEASURING TESTING
Information Patent Grant
Desk telephone housing
- Patent number D287495
- Issue date Dec 30, 1986
- GTE Communication Systems Corp.
- Michael Mitchell
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Master-slave microprocessor control circuit
- Patent number 4,633,039
- Issue date Dec 30, 1986
- GTE Communication Systems Corp.
- James R. Holden
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power distribution system
- Patent number 4,631,655
- Issue date Dec 23, 1986
- GTE Communication Systems Corp.
- Hendrik van Husen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for diode-or connected power supplies
- Patent number 4,628,433
- Issue date Dec 9, 1986
- GTE Communication Systems Corp.
- Hubertus S. Notohamiprodjo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated circuit temperature sensor
- Patent number 4,625,128
- Issue date Nov 25, 1986
- GTE Communication Systems Corp.
- Eduard F. B. Boeckmann
- G01 - MEASURING TESTING
Information Patent Grant
Word length converter
- Patent number 4,623,874
- Issue date Nov 18, 1986
- GTE Communication Systems Corp.
- Donald E. Thoma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Equipment drawer support
- Patent number 4,621,876
- Issue date Nov 11, 1986
- GTE Communication Systems Corp.
- William A. Reimer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cable clamp
- Patent number 4,618,113
- Issue date Oct 21, 1986
- GTE Communication Systems Corp.
- William A. Reimer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Printed wiring board retainer
- Patent number 4,617,610
- Issue date Oct 14, 1986
- GTE Communication Systems Corp.
- Milan Zrnich
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Telephone base adapted to facilitate both desk and wall mounting of...
- Patent number 4,617,428
- Issue date Oct 14, 1986
- GTE Communication Systems Corp.
- Babulal V. Gala
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Temperature dependent, voltage reference comparator/diode
- Patent number 4,613,768
- Issue date Sep 23, 1986
- GTE Communication Systems Corp.
- Karl E. Pommer
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Toll restriction circuit for an electronic telephone station
- Patent number 4,612,419
- Issue date Sep 16, 1986
- GTE Communication Systems Corp.
- Louis W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog process controller with digital monitor
- Patent number 4,609,864
- Issue date Sep 2, 1986
- GTE Communication Systems Corp.
- Karl E. Pommer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secretarial answering system with distributed processing
- Patent number 4,603,236
- Issue date Jul 29, 1986
- GTE Communication Systems Corp.
- Louis W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated bootstrap bias circuit
- Patent number 4,600,876
- Issue date Jul 15, 1986
- GTE Communication Systems Corp.
- Eduard F. B. Boeckmann
- G05 - CONTROLLING REGULATING
Information Patent Grant
Circuit for detecting keypad conditions in a microprocessor control...
- Patent number 4,598,174
- Issue date Jul 1, 1986
- GTE Communication Systems Corp.
- Karl E. Pommer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laminate switch assembly having improved tactile feel and improved...
- Patent number 4,598,181
- Issue date Jul 1, 1986
- GTE Communication Systems Corp.
- Steve F. Selby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cantilever spring telephone hookswitch adapted for printed wiring c...
- Patent number 4,517,419
- Issue date May 14, 1985
- GTE Communication Systems Corp.
- Richard B. Kosten
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hookswitch bounce resistant telephone hold-mute circuit
- Patent number 4,517,414
- Issue date May 14, 1985
- GTE Communication Systems Corp.
- Eduard F. B. Boeckmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printed wiring board interconnect arrangement
- Patent number 4,498,717
- Issue date Feb 12, 1985
- GTE Communication Systems Corp.
- William A. Reimer
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

GTE COMMUNICATION SYSTEMS CORPORATION, A DE CORP

Organization

Patents Grantslast 30 patents

Light emitting diode message waiting lamp circuit

Backup battery power supply for microprocessor based telephones

Disconnect circuit for use between telephone switching systems

Surge protected electronic switch for telephone voiceband circuits

Temperature compensated reference circuit

Test fixture including deflectable probes

Desk telephone housing

Master-slave microprocessor control circuit

Power distribution system

Control circuit for diode-or connected power supplies

Integrated circuit temperature sensor

Word length converter

Equipment drawer support

Cable clamp

Printed wiring board retainer

Telephone base adapted to facilitate both desk and wall mounting of...

Temperature dependent, voltage reference comparator/diode

Toll restriction circuit for an electronic telephone station

Analog process controller with digital monitor

Secretarial answering system with distributed processing

Integrated bootstrap bias circuit

Circuit for detecting keypad conditions in a microprocessor control...

Laminate switch assembly having improved tactile feel and improved...

Cantilever spring telephone hookswitch adapted for printed wiring c...

Hookswitch bounce resistant telephone hold-mute circuit

Printed wiring board interconnect arrangement

Patents Applicationslast 30 patents

Trademarklast 30 trademarks