DE3787104D1 - AM-Radiosender. - Google Patents

AM-Radiosender.

Info

Publication number: DE3787104D1
Authority: DE; Germany
Prior art keywords: radio station; radio; station
Prior art date: 1986-02-25
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

DE87301668T

Other languages

English (en)

Other versions

DE3787104T2 (de

Inventor

Bryan A Weaver

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Continental Electronics Corp

Original Assignee

Continental Electronics Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-02-25

Filing date

1987-02-25

Publication date

1993-09-30

1987-02-25 Application filed by Continental Electronics Corp filed Critical Continental Electronics Corp

1993-09-30 Publication of DE3787104D1 publication Critical patent/DE3787104D1/de

1993-12-09 Application granted granted Critical

1993-12-09 Publication of DE3787104T2 publication Critical patent/DE3787104T2/de

2007-02-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation

DE87301668T 1986-02-25 1987-02-25 AM-Radiosender. Expired - Fee Related DE3787104T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/832,630 US4896372A (en)	1986-02-25	1986-02-25	Pulse width modulator for AM-RF transmitter

Publications (2)

Publication Number	Publication Date
DE3787104D1 true DE3787104D1 (de)	1993-09-30
DE3787104T2 DE3787104T2 (de)	1993-12-09

Family

ID=25262222

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE87301668T Expired - Fee Related DE3787104T2 (de)	1986-02-25	1987-02-25	AM-Radiosender.

Country Status (5)

Country	Link
US (1)	US4896372A (de)
EP (1)	EP0234936B1 (de)
JP (1)	JPS62258507A (de)
CA (1)	CA1283171C (de)
DE (1)	DE3787104T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5175877A (en) *	1990-03-15	1992-12-29	Magnavox Electronic Systems Company	Apparatus and method for generating an amplitude modulated rf signal
US5099203A (en)	1990-06-05	1992-03-24	Continental Electronics Corporation	Power amplifier having multiple switched stages and method of operating same
US5200707A (en) *	1990-06-05	1993-04-06	Continental Electronics Corporation	Amplifier with multiple switched stages and noise suppression
US5249201A (en) *	1991-02-01	1993-09-28	Mst, Inc.	Transmission of multiple carrier signals in a nonlinear system
US5566240A (en) *	1991-05-30	1996-10-15	Lau; Ping-Cheung	Method and apparatus for enhancing the quality of sound from electrically powered audio equipment
US6457178B1 (en)	1998-03-17	2002-09-24	Scientific-Atlanta, Inc.	Pulse width modulator for communication system including fiber optic communications
US6587670B1 (en) *	1998-12-22	2003-07-01	Harris Corporation	Dual mode class D amplifiers
US6864668B1 (en)	1999-02-09	2005-03-08	Tropian, Inc.	High-efficiency amplifier output level and burst control
US6377784B2 (en)	1999-02-09	2002-04-23	Tropian, Inc.	High-efficiency modulation RF amplifier
US6366177B1 (en)	2000-02-02	2002-04-02	Tropian Inc.	High-efficiency power modulators
US6876265B2 (en) *	2002-03-01	2005-04-05	Lear Corporation	System and method for using a saw based RF transmitter for AM modulated transmission in a TPM
US6933898B2 (en) *	2002-03-01	2005-08-23	Lear Corporation	Antenna for tire pressure monitoring wheel electronic device
US6829924B2 (en) *	2002-03-01	2004-12-14	Lear Corporation	Tire pressure monitoring system with low frequency initiation approach
GB2426646B (en) *	2004-03-23	2007-12-27	Murata Manufacturing Co	Fet amplifier, pulse modulation module, and radar device
US20060140644A1 (en) *	2004-12-23	2006-06-29	Paolella Arthur C	High performance, high efficiency fiber optic link for analog and RF systems
ITTO20050402A1 (it) *	2005-06-10	2006-12-11	Selenia Comm S P A	Convertitore di potenza ad alta efficienza, modulatore e trasmettitore che lo utilizzano
US7548133B2 (en) *	2006-04-06	2009-06-16	Preco Electronics, Inc.	Modulation of an RF transmit signal
US20070247254A1 (en) *	2006-04-06	2007-10-25	Preco Electronics, Inc.	Modulation of an RF Transmit Signal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3506920A (en) *	1966-02-10	1970-04-14	Gates Radio Co	High efficiency transformer utilizing pulse duration modulation to eliminate audio-rf transformer coupling
US3413570A (en) *	1966-02-23	1968-11-26	Collins Radio Co	High efficiency rf power amplification with modulation signal controlled "on"-"off" switch varied amplifier dc potentials
US3588744A (en) *	1969-11-07	1971-06-28	Gates Radio Co	Amplitude compensated pulse duration modulator
US3835419A (en) *	1973-04-18	1974-09-10	Us Navy	Current switching frequency modulator
DE2720930C3 (de) *	1977-05-10	1980-12-11	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Amplitudenmodulierter Sender
US4319359A (en) *	1980-04-10	1982-03-09	Rca Corporation	Radio transmitter energy recovery system
JPS58157221A (ja) *	1982-03-13	1983-09-19	Nippon Gakki Seizo Kk	パルス幅変調回路
US4524335A (en) *	1982-03-13	1985-06-18	Nippon Gakki Seizo Kabushiki Kaisha	Pulse-width modulation circuit with carrier signal frequency control

1986
- 1986-02-25 US US06/832,630 patent/US4896372A/en not_active Expired - Lifetime
1987
- 1987-02-24 CA CA000530489A patent/CA1283171C/en not_active Expired - Lifetime
- 1987-02-25 DE DE87301668T patent/DE3787104T2/de not_active Expired - Fee Related
- 1987-02-25 EP EP87301668A patent/EP0234936B1/de not_active Expired - Lifetime
- 1987-02-25 JP JP62040495A patent/JPS62258507A/ja active Pending

Also Published As

Publication number	Publication date
EP0234936A2 (de)	1987-09-02
JPS62258507A (ja)	1987-11-11
EP0234936A3 (en)	1989-07-12
US4896372A (en)	1990-01-23
DE3787104T2 (de)	1993-12-09
CA1283171C (en)	1991-04-16
EP0234936B1 (de)	1993-08-25

Publication	Publication Date	Title
DE3751327D1 (de)	1995-07-06	Funksystem.
DE3789135D1 (de)	1994-03-31	Funktelefonsystem.
DE68924042D1 (de)	1995-10-05	Zellulares Funksystem.
DE3788416D1 (de)	1994-01-20	Modulbauförmige antennengruppe.
NO885764L (no)	1988-12-27	Baerbar radiokommunikasjonsmottaker.
DE3689455D1 (de)	1994-02-10	Tragbares Rundfunkgerät.
DE3689457D1 (de)	1994-02-10	Radiofernsprechsystem.
DE3884077D1 (de)	1993-10-21	Funktelefonsystem.
DE3854095D1 (de)	1995-08-10	Mobilfunk-Kommunikationssystem.
DE3854322D1 (de)	1995-09-21	Funkfernsprechapparat.
DE3886434D1 (de)	1994-02-03	Funkfernsprecher.
DE3671684D1 (de)	1990-07-05	Am-empfaenger.
NO904009L (no)	1991-03-15	Celleoppdelt radiokommunikasjonssystem.
DE3787104D1 (de)	1993-09-30	AM-Radiosender.
DE3579247D1 (de)	1990-09-27	Mobilfunkgeraet.
DE68912531D1 (de)	1994-03-03	Radioempfänger.
DE3576263D1 (de)	1990-04-05	Radio-empfaenger.
ATA36487A (de)	1995-07-15	Funk-telefonsystem
DE3889502D1 (de)	1994-06-16	Funkkommunikationssystem.
DE69023379D1 (de)	1995-12-14	Radiokommunikationssystem.
DE3686963D1 (de)	1992-11-19	Funkuebertragungssystem.
DE3673631D1 (de)	1990-09-27	Digitales mobilfunksystem.
DE3854339D1 (de)	1995-09-28	Funkkommunikationsgerät.
DE3787221D1 (de)	1993-10-07	Paketfunk.
KR880702012A (ko)	1988-11-07	라디오 수신기

Legal Events

Date	Code	Title	Description
1994-09-22	8364	No opposition during term of opposition
1999-03-11	8339	Ceased/non-payment of the annual fee