JPS57129017A - Receiver - Google Patents

Receiver

Info

Publication number
JPS57129017A
JPS57129017A JP1540781A JP1540781A JPS57129017A JP S57129017 A JPS57129017 A JP S57129017A JP 1540781 A JP1540781 A JP 1540781A JP 1540781 A JP1540781 A JP 1540781A JP S57129017 A JPS57129017 A JP S57129017A
Authority
JP
Japan
Prior art keywords
circuit
output
tuning
level
signal
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.)
Granted
Application number
JP1540781A
Other languages
English (en)
Other versions
JPH0338780B2 (ja
Inventor
Makoto Tomohiro
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1540781A priority Critical patent/JPS57129017A/ja
Priority to DE19823202607 priority patent/DE3202607A1/de
Priority to SE8200544A priority patent/SE454037B/sv
Publication of JPS57129017A publication Critical patent/JPS57129017A/ja
Publication of JPH0338780B2 publication Critical patent/JPH0338780B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341—Muting when no signals or only weak signals are present
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Noise Elimination (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
JP1540781A 1981-02-03 1981-02-03 Receiver Granted JPS57129017A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1540781A JPS57129017A (en) 1981-02-03 1981-02-03 Receiver
DE19823202607 DE3202607A1 (de) 1981-02-03 1982-01-27 Rundfunkempfaenger
SE8200544A SE454037B (sv) 1981-02-03 1982-02-01 Radiomottagare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1540781A JPS57129017A (en) 1981-02-03 1981-02-03 Receiver

Publications (2)

Publication Number Publication Date
JPS57129017A true JPS57129017A (en) 1982-08-10
JPH0338780B2 JPH0338780B2 (ja) 1991-06-11

Family

ID=11887871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1540781A Granted JPS57129017A (en) 1981-02-03 1981-02-03 Receiver

Country Status (3)

Country Link
JP (1) JPS57129017A (ja)
DE (1) DE3202607A1 (ja)
SE (1) SE454037B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3718845A1 (de) * 1987-06-05 1988-12-15 Thomson Brandt Gmbh Empfangsgeraet fuer rundfunksignale mit einer darin enthaltenen zusaetzlichen information (rds)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547741A (en) * 1978-10-02 1980-04-04 Trio Kenwood Corp Fm receiver
JPS56146U (ja) * 1979-06-15 1981-01-06

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247543A (en) * 1975-10-14 1977-04-15 Nippon Steel Corp Device for setting diaphragm of shaped steel
NL8000509A (nl) * 1980-01-28 1981-08-17 Philips Nv Ontvanger met een zenderzoekschakeling.
NL8003087A (nl) * 1980-05-29 1982-01-04 Philips Nv Ontvanger met een zenderzoekschakeling.
DE3034155C2 (de) * 1980-09-11 1985-10-10 Becker Autoradiowerk Gmbh, 7516 Karlsbad Verfahren und Schaltungsanordnung zum Abstimmen eines Rundfunkempfängers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5547741A (en) * 1978-10-02 1980-04-04 Trio Kenwood Corp Fm receiver
JPS56146U (ja) * 1979-06-15 1981-01-06

Also Published As

Publication number Publication date
DE3202607A1 (de) 1982-09-02
SE454037B (sv) 1988-03-21
SE8200544L (sv) 1982-08-04
JPH0338780B2 (ja) 1991-06-11

Similar Documents

Publication Publication Date Title
JPS6460026A (en) Transmission line switching device for communication equipment
JPS57171868A (en) Waveform shaping circuit
DE3476148D1 (en) Signal-dropout correction circuit for correcting video signals disturbed by signal dropouts
JPS57129017A (en) Receiver
JPS5359185A (en) Remote control signal system
JPS5269519A (en) Program control unit
JPS57167899A (en) Steering frequency reduction circuit for automatic steering equipment in ship
JPS56122223A (en) Automatic dx and local reception switching device
JPS51148172A (en) An atutomatic control apparatus
JPS5382247A (en) Agc circuit
JPS57184340A (en) Switching circuit of receiver
JPS544051A (en) Automatic gain control unit
JPS572133A (en) Tuner circuit
JPS57131181A (en) Automatic switching device of antenna
JPS5272102A (en) Electronic selection circuit system
JPS579183A (en) Afc device
JPS52116113A (en) Tv picture receiver
JPS5280716A (en) Phase matching system
JPS54152814A (en) Channel selection device
ES8403683A1 (es) Un receptor de television.
JPS5654180A (en) Color television receiver
JPS56122222A (en) Automatic dx and local reception switching device
JPS57193129A (en) Muting circuit
JPS5334447A (en) Automatic gain control unit
JPS54123805A (en) Digital preset tuner