Low power indicating circuit for a radio transmitter

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO

4521912

SERIAL NO

06502679

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Low power for a radio transmitter is indicated by an output power detector voltage falling below a low power reference voltage derived from an existing power control circuit.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ERICSSON GE MOBILE COMMUNICATIONS INC.LYNCHBURG, VA129
GENERAL ELECTRIC COMPANYSCHENECTADY, NY18726

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Faulkenberry, Wayne J Lynchburg, VA 2 34
Franke, Earnest A Goode, VA 9 114

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Nippon Electric Co., Ltd. (1)
* 4392245 Radio transmitter having an output power control circuit 52 1980
 
MOTOROLA, INC. (1)
* 4353037 Amplifier protection circuit 22 1980
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 5020134 CATV signal distribution system and local status monitor therefor 8 1989
 
LUCENT TECHNOLOGIES INC. (2)
* 5812936 Energy-efficient time-division radio that reduces the induction of baseband interference 34 1995
* 5740165 Wireless TDMA transmitter with reduced interference 26 1996
 
SONY CORPORATION (1)
* 5175875 Radio communication apparatus with programmable signal modulation 31 1990
 
SPINEL EKTRONIX LLC (1)
* 5650669 Portable computer/radio power management system 24 1996
 
PINE VALLEY INVESTMENTS, INC. (3)
* 5752198 Single site, split location trunked radio communications system 6 1994
* 5689801 Power monitoring system for a single site, split location trunked radio communication system 8 1994
* 5805976 Single site, split location trunked radio communications system 6 1996
 
SAMSUNG ELECTRONICS CO., LTD. (1)
* 5239692 Radio frequency transmitter capable of sensing abnormal state for use in a wireless security system 6 1989
 
ERICSSON GE MOBILE COMMUNICATIONS INC. (1)
* 5524275 Averaged RF exposure control 36 1993
 
HAZELTINE CORPORATION (1)
* 4983981 Active array element amplitude stabilization 21 1989
 
NEC CORPORATION (5)
* 4709404 Battery-powered radio communication apparatus capable of prolonging the communicable state thereof 22 1985
* 4761824 Battery-powered mobile communications apparatus having transmitter reset function 17 1986
* 5101176 Burst control circuit for use in TDMA communications system 11 1991
6178309 Electronic device having an AGC loop 1 1997
* 6263200 Radio terminal apparatus equipped with battery power saving function, and mobile communication system using the same 31 1997
 
UNWIRED PLANET, LLC (1)
* 6169880 Method and system of load sharing and prioritization of radio repeaters 16 1996
 
KABUSHIKI KAISHA TOSHIBA (3)
* 4933963 Radio telephone apparatus 19 1988
* RE36712 Radio telephone apparatus 8 1997
* 2007/0229,460 Pointing device, and method of displaying remaining battery power thereof 1 2007
 
OPTIS WIRELESS TECHNOLOGY, LLC (1)
* 6047168 Device and method for radio transmitters 37 1997
 
Canon Kabushiki Kaisha (1)
* 5126688 Power amplifying apparatus for wireless transmitter 69 1991
* Cited By Examiner