GB2143391B - A radio frequency modulator - Google Patents

A radio frequency modulator

Info

Publication number
GB2143391B
GB2143391B GB08415586A GB8415586A GB2143391B GB 2143391 B GB2143391 B GB 2143391B GB 08415586 A GB08415586 A GB 08415586A GB 8415586 A GB8415586 A GB 8415586A GB 2143391 B GB2143391 B GB 2143391B
Authority
GB
United Kingdom
Prior art keywords
radio frequency
frequency modulator
modulator
radio
frequency
Prior art date
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
Application number
GB08415586A
Other versions
GB2143391A (en
GB8415586D0 (en
Inventor
Yoshinobu Yamaguchi
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.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of GB8415586D0 publication Critical patent/GB8415586D0/en
Publication of GB2143391A publication Critical patent/GB2143391A/en
Application granted granted Critical
Publication of GB2143391B publication Critical patent/GB2143391B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits
GB08415586A 1983-07-13 1984-06-19 A radio frequency modulator Expired GB2143391B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10858983U JPS6017071U (en) 1983-07-13 1983-07-13 RF modulator

Publications (3)

Publication Number Publication Date
GB8415586D0 GB8415586D0 (en) 1984-07-25
GB2143391A GB2143391A (en) 1985-02-06
GB2143391B true GB2143391B (en) 1987-03-18

Family

ID=14488634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08415586A Expired GB2143391B (en) 1983-07-13 1984-06-19 A radio frequency modulator

Country Status (3)

Country Link
JP (1) JPS6017071U (en)
DE (1) DE3425405A1 (en)
GB (1) GB2143391B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121027A1 (en) * 1991-06-26 1993-01-07 Thomson Brandt Gmbh ARRANGEMENT FOR A VIDEO AND SOUND MODULATOR
JP3240030B2 (en) * 1994-04-06 2001-12-17 ソニー株式会社 Frequency modulation circuit
CN1066885C (en) * 1995-01-04 2001-06-06 船井电机株式会社 Circuit device including RF converter, tuner and IF amplifier
GB2301245B (en) * 1995-04-18 1999-07-07 Samsung Electro Mech Radio frequency modulating circuit for use in PAL method

Also Published As

Publication number Publication date
JPS6017071U (en) 1985-02-05
GB2143391A (en) 1985-02-06
JPS6311800Y2 (en) 1988-04-06
DE3425405A1 (en) 1985-01-31
GB8415586D0 (en) 1984-07-25
DE3425405C2 (en) 1987-08-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee