FR654076A - Perfectionnements aux systèmes de télévision - Google Patents

Perfectionnements aux systèmes de télévision

Info

Publication number
FR654076A
FR654076A FR654076DA FR654076A FR 654076 A FR654076 A FR 654076A FR 654076D A FR654076D A FR 654076DA FR 654076 A FR654076 A FR 654076A
Authority
FR
France
Prior art keywords
television systems
television
systems
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
Other languages
English (en)
French (fr)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR654076A publication Critical patent/FR654076A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/08—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving reflector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18144—Overcoming dead center

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mechanical Optical Scanning Systems (AREA)
FR654076D 1927-05-11 1928-05-10 Perfectionnements aux systèmes de télévision Expired FR654076A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US190481A US1689847A (en) 1927-05-11 1927-05-11 Television system

Publications (1)

Publication Number Publication Date
FR654076A true FR654076A (fr) 1929-04-02

Family

ID=22701523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR654076D Expired FR654076A (fr) 1927-05-11 1928-05-10 Perfectionnements aux systèmes de télévision

Country Status (5)

Country Link
US (1) US1689847A (en:Method)
DE (1) DE479173C (en:Method)
FR (1) FR654076A (en:Method)
GB (1) GB290245A (en:Method)
NL (1) NL25679C (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571129A (en) * 1947-12-03 1951-10-16 Sperry Corp Scanning antenna system
US3226721A (en) * 1948-03-26 1965-12-28 Sperry Rand Corp Scanning antenna utilizing four rotary prisms to produce rectilinear scan and fifth rotary prism to produce conical scan
US3627429A (en) * 1968-08-14 1971-12-14 Spectra Physics Laser optical surveying instrument and method
US3704949A (en) * 1970-06-22 1972-12-05 Rms Ind Inc Method and apparatus for personal identification
GB2144873A (en) * 1983-08-12 1985-03-13 Fairey Eng Apparatus for scanning a laser beam
GB2186993A (en) * 1986-02-26 1987-08-26 British Nuclear Fuels Plc Viewing systems with variable field of view
CN115601755B (zh) * 2022-12-13 2023-03-14 广东小天才科技有限公司 扫描笔

Also Published As

Publication number Publication date
US1689847A (en) 1928-10-30
DE479173C (de) 1929-07-13
GB290245A (en) 1928-11-01
NL25679C (en:Method)

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