JPH0582087B2 - - Google Patents

Info

Publication number
JPH0582087B2
JPH0582087B2 JP1269664A JP26966489A JPH0582087B2 JP H0582087 B2 JPH0582087 B2 JP H0582087B2 JP 1269664 A JP1269664 A JP 1269664A JP 26966489 A JP26966489 A JP 26966489A JP H0582087 B2 JPH0582087 B2 JP H0582087B2
Authority
JP
Japan
Prior art keywords
transistor
band
resistor
detection
tuning
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 - Fee Related
Application number
JP1269664A
Other languages
English (en)
Japanese (ja)
Other versions
JPH03132105A (ja
Inventor
Masa Ito
Hideji Watabe
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP1269664A priority Critical patent/JPH03132105A/ja
Priority to KR1019900016414A priority patent/KR910008986A/ko
Priority to US07/690,922 priority patent/US5239702A/en
Priority to PCT/JP1990/001335 priority patent/WO1991006150A1/ja
Priority to DE69031827T priority patent/DE69031827T2/de
Priority to EP90915197A priority patent/EP0448729B1/en
Publication of JPH03132105A publication Critical patent/JPH03132105A/ja
Publication of JPH0582087B2 publication Critical patent/JPH0582087B2/ja
Granted legal-status Critical Current

Links

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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Amplifiers (AREA)
  • Prepayment Telephone Systems (AREA)
JP1269664A 1989-10-17 1989-10-17 同調検出回路 Granted JPH03132105A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1269664A JPH03132105A (ja) 1989-10-17 1989-10-17 同調検出回路
KR1019900016414A KR910008986A (ko) 1989-10-17 1990-10-16 동조검출회로
US07/690,922 US5239702A (en) 1989-10-17 1990-10-17 Tuning detector
PCT/JP1990/001335 WO1991006150A1 (en) 1989-10-17 1990-10-17 Tune detecting circuit
DE69031827T DE69031827T2 (de) 1989-10-17 1990-10-17 Abstimmdetektorschaltung
EP90915197A EP0448729B1 (en) 1989-10-17 1990-10-17 Tune detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1269664A JPH03132105A (ja) 1989-10-17 1989-10-17 同調検出回路

Publications (2)

Publication Number Publication Date
JPH03132105A JPH03132105A (ja) 1991-06-05
JPH0582087B2 true JPH0582087B2 (US20090192370A1-20090730-C00001.png) 1993-11-17

Family

ID=17475494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1269664A Granted JPH03132105A (ja) 1989-10-17 1989-10-17 同調検出回路

Country Status (6)

Country Link
US (1) US5239702A (US20090192370A1-20090730-C00001.png)
EP (1) EP0448729B1 (US20090192370A1-20090730-C00001.png)
JP (1) JPH03132105A (US20090192370A1-20090730-C00001.png)
KR (1) KR910008986A (US20090192370A1-20090730-C00001.png)
DE (1) DE69031827T2 (US20090192370A1-20090730-C00001.png)
WO (1) WO1991006150A1 (US20090192370A1-20090730-C00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12014918B2 (en) 2021-05-24 2024-06-18 Hamamatsu Photonics K.K. Laser-driven light source with electrodeless ignition

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10136702B2 (en) 2012-01-16 2018-11-27 Kahtoola, Inc. Footwear accessory binding system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230309A (en) * 1975-09-03 1977-03-08 Nippon Gakki Seizo Kk Tuner
JPS5924200Y2 (ja) * 1978-08-03 1984-07-18 パイオニア株式会社 電子同調受信機
JPS5741043A (en) * 1980-08-25 1982-03-06 Nec Corp Frequency modulation radio receiver
DE3130341A1 (de) * 1980-09-17 1982-06-16 Hitachi, Ltd., Tokyo Rauschsperre und mit dieser versehener fm-funkempfaenger
JPS58164329A (ja) * 1982-03-24 1983-09-29 Mitsubishi Electric Corp Ｆｍミユ−テイング回路
JPH0744471B2 (ja) * 1984-12-13 1995-05-15 ソニー株式会社 ミユ−テイング回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12014918B2 (en) 2021-05-24 2024-06-18 Hamamatsu Photonics K.K. Laser-driven light source with electrodeless ignition

Also Published As

Publication number Publication date
KR910008986A (ko) 1991-05-31
EP0448729B1 (en) 1997-12-17
DE69031827T2 (de) 1998-05-07
EP0448729A4 (en) 1992-08-12
EP0448729A1 (en) 1991-10-02
US5239702A (en) 1993-08-24
WO1991006150A1 (en) 1991-05-02
JPH03132105A (ja) 1991-06-05
DE69031827D1 (de) 1998-01-29

Similar Documents

Publication Publication Date Title
EP0124944B1 (en) Peak detector
USRE30839E (en) Monostable multivibrator
JPS6117373B2 (US20090192370A1-20090730-C00001.png)
JPH0582087B2 (US20090192370A1-20090730-C00001.png)
JPS6127714B2 (US20090192370A1-20090730-C00001.png)
JPS6253967B2 (US20090192370A1-20090730-C00001.png)
KR950003697Y1 (ko) 동조검출회로
JP3179838B2 (ja) ノイズ検出回路
US6556050B2 (en) High speed signal window detection
US3441862A (en) Bi-phase demodulating circuit independent of reference signal amplitude distortion
JPS628972B2 (US20090192370A1-20090730-C00001.png)
JP3450975B2 (ja) 積分器付コンパレータ回路および赤外線受光装置
JPS5825349Y2 (ja) メ−タ回路のミユ−テング装置
JP3088138B2 (ja) 検波回路
KR880001940Y1 (ko) 증폭회로
JPS6211088Y2 (US20090192370A1-20090730-C00001.png)
JPS6236366Y2 (US20090192370A1-20090730-C00001.png)
JPH0640604B2 (ja) 周波数変換回路
JPH0441641Y2 (US20090192370A1-20090730-C00001.png)
JPS5938763Y2 (ja) ミュ−ティング回路
JPH05129902A (ja) 波形整形回路
JPH06177724A (ja) 検波回路
JPH0124445B2 (US20090192370A1-20090730-C00001.png)
JPS6024456A (ja) 両極性電圧検出回路
JPS63132512A (ja) 検波回路

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20071117

Year of fee payment: 14

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081117

Year of fee payment: 15

LAPS Cancellation because of no payment of annual fees