DE3068873D1 - Tangent function generator for am stereo - Google Patents

Tangent function generator for am stereo

Info

Publication number
DE3068873D1
DE3068873D1 DE8080901617T DE3068873T DE3068873D1 DE 3068873 D1 DE3068873 D1 DE 3068873D1 DE 8080901617 T DE8080901617 T DE 8080901617T DE 3068873 T DE3068873 T DE 3068873T DE 3068873 D1 DE3068873 D1 DE 3068873D1
Authority
DE
Germany
Prior art keywords
stereo
function generator
tangent function
tangent
generator
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
DE8080901617T
Other languages
English (en)
Inventor
Charles James Marik
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.)
Motorola Solutions Inc
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.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE3068873D1 publication Critical patent/DE3068873D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
    • H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
    • H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE8080901617T 1979-08-02 1980-07-18 Tangent function generator for am stereo Expired DE3068873D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/063,273 US4278839A (en) 1979-08-02 1979-08-02 Tangent function generator for AM stereo
PCT/US1980/001003 WO1981000497A1 (en) 1979-08-02 1980-07-18 Tangent function generator for am stereo

Publications (1)

Publication Number Publication Date
DE3068873D1 true DE3068873D1 (de) 1984-09-13

Family

ID=22048117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080901617T Expired DE3068873D1 (de) 1979-08-02 1980-07-18 Tangent function generator for am stereo

Country Status (9)

Country Link
US (1) US4278839A (de)
EP (1) EP0032947B1 (de)
JP (1) JPS612992B2 (de)
BR (1) BR8008726A (de)
CA (1) CA1144240A (de)
DE (1) DE3068873D1 (de)
IT (1) IT1132276B (de)
MX (1) MX148496A (de)
WO (1) WO1981000497A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57199371A (en) * 1981-06-03 1982-12-07 Hitachi Ltd Gamma correcting circuit
JPS647736A (en) * 1987-06-30 1989-01-11 Pioneer Electronic Corp Am stereoscopic demodulation circuit
US5239699A (en) * 1991-02-06 1993-08-24 Motorola, Inc. Am-fm combined stereo receiver
DE4340012B4 (de) * 1993-11-24 2004-04-22 Blaupunkt-Werke Gmbh Demodulator
JP5473669B2 (ja) * 2010-02-23 2014-04-16 ルネサスエレクトロニクス株式会社 クロック生成回路と半導体装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708693A (en) * 1971-05-19 1973-01-02 Ferrex Corp Gamma corrector
US3740539A (en) * 1972-02-28 1973-06-19 Tektronix Inc Programmable function generator
US4015079A (en) * 1973-06-12 1977-03-29 Tokyo Shibaura Electric Co., Ltd. Gamma correction circuit
US3982115A (en) * 1975-01-31 1976-09-21 Tektronix, Inc. Electronically programmable function generator
SE389578B (sv) * 1975-04-01 1976-11-08 Asea Ab Funktionsgenerator
US4032797A (en) * 1975-08-06 1977-06-28 The Solartron Electronic Group Limited Quantising circuit
US4172966A (en) * 1978-02-23 1979-10-30 Motorola, Inc. AM stereophonic receiver

Also Published As

Publication number Publication date
IT8023862A0 (it) 1980-08-01
EP0032947A4 (de) 1982-01-08
MX148496A (es) 1983-04-26
BR8008726A (pt) 1981-06-09
CA1144240A (en) 1983-04-05
EP0032947B1 (de) 1984-08-08
IT1132276B (it) 1986-07-02
WO1981000497A1 (en) 1981-02-19
EP0032947A1 (de) 1981-08-05
JPS612992B2 (de) 1986-01-29
US4278839A (en) 1981-07-14
JPS56500984A (de) 1981-07-16

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee