NL8801874A - Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat. - Google Patents

Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat. Download PDF

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Publication number
NL8801874A
NL8801874A NL8801874A NL8801874A NL8801874A NL 8801874 A NL8801874 A NL 8801874A NL 8801874 A NL8801874 A NL 8801874A NL 8801874 A NL8801874 A NL 8801874A NL 8801874 A NL8801874 A NL 8801874A
Authority
NL
Netherlands
Prior art keywords
frequency
circuit
signal
output
tuning
Prior art date
Application number
NL8801874A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8801874A priority Critical patent/NL8801874A/nl
Priority to US07/377,685 priority patent/US5003397A/en
Priority to EP89201915A priority patent/EP0352853A1/de
Priority to JP1191576A priority patent/JPH0286378A/ja
Publication of NL8801874A publication Critical patent/NL8801874A/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
NL8801874A 1988-07-26 1988-07-26 Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat. NL8801874A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL8801874A NL8801874A (nl) 1988-07-26 1988-07-26 Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.
US07/377,685 US5003397A (en) 1988-07-26 1989-07-10 Television receiver including a tuning circuit which comprises a frequency synthesis circuit
EP89201915A EP0352853A1 (de) 1988-07-26 1989-07-20 Fernsehempfänger mit einer Abstimmschaltung, die eine Frequenzsyntheseschaltung aufweist
JP1191576A JPH0286378A (ja) 1988-07-26 1989-07-26 テレビジョン受像機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8801874 1988-07-26
NL8801874A NL8801874A (nl) 1988-07-26 1988-07-26 Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.

Publications (1)

Publication Number Publication Date
NL8801874A true NL8801874A (nl) 1990-02-16

Family

ID=19852673

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8801874A NL8801874A (nl) 1988-07-26 1988-07-26 Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.

Country Status (4)

Country Link
US (1) US5003397A (de)
EP (1) EP0352853A1 (de)
JP (1) JPH0286378A (de)
NL (1) NL8801874A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02211783A (ja) * 1989-02-13 1990-08-23 Toshiba Corp 音声多重信号エンコーダ回路
JPH0648778B2 (ja) * 1989-09-29 1994-06-22 三洋電機株式会社 衛星放送受信装置のａｆｃ方法
US5212554A (en) * 1990-12-31 1993-05-18 Thomson Consumer Electronics, Inc. Digital method and apparatus for evaluating a frequency parameter of an if signal
DE4125995A1 (de) * 1991-06-08 1992-12-10 Licentia Gmbh Empfaengeranordnung
US5552838A (en) * 1993-12-24 1996-09-03 Kabushiki Kaisha Toshiba Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
US5448299A (en) * 1994-01-05 1995-09-05 Samsung Electronics Co., Ltd. Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier
JP3949389B2 (ja) * 2001-03-30 2007-07-25 アルプス電気株式会社 デュアル型デジタルテレビジョンチューナ
US7362439B2 (en) * 2003-08-01 2008-04-22 Li-Cor, Inc. Method of detecting the condition of a turf grass

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025953A (en) * 1975-11-26 1977-05-24 Quasar Electronics Corporation Frequency synthesizer tuning system for television receivers
JPS5518119A (en) * 1978-07-26 1980-02-08 Hitachi Ltd Automatic tuning circuit
JPS5580928A (en) * 1978-12-15 1980-06-18 Sony Corp Channel selection device
JPS5728517U (de) * 1980-07-22 1982-02-15
US4485404A (en) * 1982-09-01 1984-11-27 Rca Corporation Digital aft system which is activated during vertical retrace intervals
ES525161A0 (es) * 1982-09-01 1984-06-16 Rca Corp "perfeccionamientos introducidos en un aparato de control de sintonizacion para un sistema de television"
JPS5957534A (ja) * 1982-09-27 1984-04-03 Alps Electric Co Ltd 衛星放送用受信器の屋内ユニツト
US4543614A (en) * 1984-01-23 1985-09-24 Rca Corporaton Video sync validity detector
NL8402880A (nl) * 1984-09-20 1986-04-16 Philips Nv Televisie-ontvanger met een automatische hoogfrequentkringafregelschakeling.
US4689685A (en) * 1986-01-31 1987-08-25 Rca Corporation Television tuning system with AFT provisions
US4727591A (en) * 1986-09-04 1988-02-23 Arvin Industries, Inc. Microprocessor controlled tuning system
JPS63161718A (ja) * 1986-12-24 1988-07-05 Matsushita Electric Ind Co Ltd 選局装置
US4776038A (en) * 1987-01-21 1988-10-04 Rca Licensing Corporation Automatic air/cable mode selection apparatus for a television tuner
US4811096A (en) * 1987-05-20 1989-03-07 Sanyo Electric Co., Ltd. Video detector employing PLL system
JP2625759B2 (ja) * 1987-09-22 1997-07-02 ソニー株式会社 オートチューニング装置

Also Published As

Publication number Publication date
JPH0286378A (ja) 1990-03-27
US5003397A (en) 1991-03-26
EP0352853A1 (de) 1990-01-31

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A1B A search report has been drawn up
BV The patent application has lapsed