MX142977A - Mejoras a un transmisor receptor de radio frecuencia - Google Patents

Mejoras a un transmisor receptor de radio frecuencia

Info

Publication number: MX142977A
Authority: MX; Mexico
Prior art keywords: radio frequency; frequency receiver; receiver transmitter; transmitter; radio
Prior art date: 1976-03-25

Application number

MX168510A

Other languages

English (en)

Inventor

James Edward Andrews

Charles William Bethardg

Original Assignee

Motorola Inc

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.)

1976-03-25

Filing date

1977-03-25

Publication date

1981-01-28

1977-03-25 Application filed by Motorola Inc filed Critical Motorola Inc

1981-01-28 Publication of MX142977A publication Critical patent/MX142977A/es

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Transceivers (AREA)
Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

MX168510A 1976-03-25 1977-03-25 Mejoras a un transmisor receptor de radio frecuencia MX142977A (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/670,501 US4060764A (en)	1976-03-25	1976-03-25	Transceiver audio system

Publications (1)

Publication Number	Publication Date
MX142977A true MX142977A (es)	1981-01-28

Family

ID=24690652

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MX168510A MX142977A (es)	1976-03-25	1977-03-25	Mejoras a un transmisor receptor de radio frecuencia

Country Status (8)

Country	Link
US (1)	US4060764A (es)
JP (1)	JPS52117014A (es)
BR (1)	BR7701665A (es)
CA (1)	CA1072638A (es)
DE (1)	DE2709575A1 (es)
GB (1)	GB1521651A (es)
IT (1)	IT1082689B (es)
MX (1)	MX142977A (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4267598A (en) *	1979-02-22	1981-05-12	Palmer Arthur J	Noise-memory regulated squelch compensator
JPS58211724A (ja) *	1982-06-04	1983-12-09	Yazaki Corp	光フアイバ−線用コネクタ
JPS59195609A (ja) *	1983-04-22	1984-11-06	Fujitsu Ltd	光コネクタ
JPS60145406U (ja) *	1984-03-08	1985-09-27	オグラ宝石精機工業株式会社	多芯用光フアイバ−コネクタ−
JPS6180113A (ja) *	1984-09-27	1986-04-23	Hitachi Cable Ltd	光コネクタ
JPH055525Y2 (es) *	1984-12-22	1993-02-15
JPS60221708A (ja) *	1985-03-27	1985-11-06	Hitachi Ltd	光フアイバの結合装置
JPS63140504U (es) *	1987-03-05	1988-09-16
AU638933B2 (en) *	1989-05-26	1993-07-15	Toray Industries, Inc.	Dustproof cap
GB2288102B (en) *	1994-03-23	1997-10-08	Motorola Ltd	Mobile radio with transmit command control and mobile radio system
WO2001001567A1 (en) *	1999-06-28	2001-01-04	Koninklijke Philips Electronics N.V.	A muting circuit having controllable impedance means for soft muting
US20060039570A1 (en) *	2004-08-18	2006-02-23	Ming-Hsiang Yeh	Music broadcasting apparatus
WO2008101253A1 (en) *	2007-02-16	2008-08-21	Loud Technologies Inc	Speaker assembly
US10200000B2 (en) *	2012-03-27	2019-02-05	Htc Corporation	Handheld electronic apparatus, sound producing system and control method of sound producing thereof
JP2019114906A (ja) *	2017-12-22	2019-07-11	ルネサスエレクトロニクス株式会社	半導体装置及び半導体システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3068415A (en) *	1958-09-11	1962-12-11	Harry E Aine	Miniature radio beacon apparatus
US3441854A (en) *	1966-03-31	1969-04-29	Motorola Inc	Encoder-decoder circuit including diode switching of a stage from an amplifier to an oscillator
US3470472A (en) *	1966-10-05	1969-09-30	Tokyo Shibaura Electric Co	Transceiver using common compression amplifier for transmission and reception
JPS503887B1 (es) *	1968-08-05	1975-02-12

1976
- 1976-03-25 US US05/670,501 patent/US4060764A/en not_active Expired - Lifetime
1977
- 1977-01-04 GB GB68/77A patent/GB1521651A/en not_active Expired
- 1977-01-07 CA CA269,363A patent/CA1072638A/en not_active Expired
- 1977-01-18 IT IT47684/77A patent/IT1082689B/it active
- 1977-03-04 DE DE19772709575 patent/DE2709575A1/de not_active Withdrawn
- 1977-03-18 JP JP2937677A patent/JPS52117014A/ja active Granted
- 1977-03-18 BR BR7701665A patent/BR7701665A/pt unknown
- 1977-03-25 MX MX168510A patent/MX142977A/es unknown

Also Published As

Publication number	Publication date
US4060764A (en)	1977-11-29
JPS5632811B2 (es)	1981-07-30
IT1082689B (it)	1985-05-21
CA1072638A (en)	1980-02-26
GB1521651A (en)	1978-08-16
JPS52117014A (en)	1977-10-01
DE2709575A1 (de)	1977-09-29
BR7701665A (pt)	1978-01-24

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