Ralph H. Carmen

Person

Lebanon, NJ, US

People

Patents Grantslast 30 patents

Information Patent Grant
System for metering multiple parking spaces
- Patent number 6,230,868
- Issue date May 15, 2001
- Duncan Industries, Inc.
- Gorm Tuxen
- G07 - CHECKING-DEVICES
Information Patent Grant
Parking meter with peripheral functions
- Patent number 5,841,369
- Issue date Nov 24, 1998
- Duncan Industries Parking Control Systems
- Joseph H. Sutton
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin discrimination system
- Patent number 5,806,651
- Issue date Sep 15, 1998
- Duncan Industries Parking Control Systems Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Electronic parking meter operating system
- Patent number 5,805,083
- Issue date Sep 8, 1998
- Duncan Industries Parking Control Systems
- Joseph H. Sutton
- G07 - CHECKING-DEVICES
Information Patent Grant
Portable time metering device
- Patent number 5,382,780
- Issue date Jan 17, 1995
- Duncan Industries Parking Control Systems Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Resonant coil coin detection apparatus
- Patent number 5,273,151
- Issue date Dec 28, 1993
- Duncan Industries Parking Control Systems Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Dual coil coin sensing apparatus
- Patent number 5,244,070
- Issue date Sep 14, 1993
- Duncan Industries Parking Control Systems Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin operated timing mechanism
- Patent number 5,184,707
- Issue date Feb 9, 1993
- Duncan Industries Parking Control Systems Corp.
- John W. Van Horn
- G07 - CHECKING-DEVICES
Information Patent Grant
Low-power demodulating receiver with amplifier stages sharing the s...
- Patent number 5,155,614
- Issue date Oct 13, 1992
- Duncan Industries Parking Control Systems Corp.
- Ralph H. Carmen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chute for controlling the motion of a token moving by gravity throu...
- Patent number 5,139,128
- Issue date Aug 18, 1992
- Ducan Industries Parking Control Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Sensor for measuring the magnetically responsive characteristics of...
- Patent number 5,119,916
- Issue date Jun 9, 1992
- Duncan Industries Parking Control Corp.
- Ralph H. Carmen
- G07 - CHECKING-DEVICES
Information Patent Grant
Coin operated timing mechanism
- Patent number 5,109,972
- Issue date May 5, 1992
- Duncan Industries Parking Control Systems Corp.
- John W. Van Horn
- G07 - CHECKING-DEVICES
Information Patent Grant
Low-power device for sorting tokens
- Patent number 5,060,777
- Issue date Oct 29, 1991
- Duncan Industries Parking Control Corp.
- John W. Van Horn
- G07 - CHECKING-DEVICES
Information Patent Grant
Optical switch
- Patent number 5,018,131
- Issue date May 21, 1991
- DSC Communications Corporation
- Govind Shah
- G02 - OPTICS
Information Patent Grant
Integrated remote electricity meter transponder and combination
- Patent number 4,904,995
- Issue date Feb 27, 1990
- Emerson Electric Co.
- Mark N. Bonner
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic rotary encoder system having a multi-element magnetoresist...
- Patent number 4,866,382
- Issue date Sep 12, 1989
- Superior Electric Company
- Ralph Carmen
- G01 - MEASURING TESTING
Information Patent Grant
Magnetoresistive sensor having inter-leaved magnetoresistive elemen...
- Patent number 4,853,631
- Issue date Aug 1, 1989
- The Superior Electric Company
- Ralph Carmen
- G11 - INFORMATION STORAGE
Information Patent Grant
Video projection system
- Patent number 4,734,779
- Issue date Mar 29, 1988
- Video Matrix Corporation
- Maurice E. Levis
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Ultrasonic image storage device and method
- Patent number 4,412,248
- Issue date Oct 25, 1983
- Technicare Corporation
- Ralph H. Carmen
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic image storage device and method
- Patent number 4,412,249
- Issue date Oct 25, 1983
- Technicare Corporation
- Ralph H. Carmen
- G01 - MEASURING TESTING

Ralph H. Carmen

Person

Patents Grantslast 30 patents

System for metering multiple parking spaces

Parking meter with peripheral functions

Coin discrimination system

Electronic parking meter operating system

Portable time metering device

Resonant coil coin detection apparatus

Dual coil coin sensing apparatus

Coin operated timing mechanism

Low-power demodulating receiver with amplifier stages sharing the s...

Chute for controlling the motion of a token moving by gravity throu...

Sensor for measuring the magnetically responsive characteristics of...

Coin operated timing mechanism

Low-power device for sorting tokens

Optical switch

Integrated remote electricity meter transponder and combination

Magnetic rotary encoder system having a multi-element magnetoresist...

Magnetoresistive sensor having inter-leaved magnetoresistive elemen...

Video projection system

Ultrasonic image storage device and method

Ultrasonic image storage device and method