DK107042C - Switch unit. - Google Patents

Switch unit.

Info

Publication number
DK107042C
DK107042C DK335763AA DK335763A DK107042C DK 107042 C DK107042 C DK 107042C DK 335763A A DK335763A A DK 335763AA DK 335763 A DK335763 A DK 335763A DK 107042 C DK107042 C DK 107042C
Authority
DK
Denmark
Prior art keywords
switch unit
switch
unit
Prior art date
Application number
DK335763AA
Other languages
Danish (da)
Inventor
Roy Hilton
Frederick George Powles
Original Assignee
Int Standard 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of DK107042C publication Critical patent/DK107042C/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/26—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
    • H03J5/28—Tuning circuits or elements supported on a revolving member with contacts arranged in a plane perpendicular to the axis
    • 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electric Clocks (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DK335763AA 1962-08-10 1963-07-13 Switch unit. DK107042C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30795/62A GB944118A (en) 1962-08-10 1962-08-10 Radio equipment

Publications (1)

Publication Number Publication Date
DK107042C true DK107042C (en) 1967-04-17

Family

ID=10313246

Family Applications (1)

Application Number Title Priority Date Filing Date
DK335763AA DK107042C (en) 1962-08-10 1963-07-13 Switch unit.

Country Status (6)

Country Link
US (1) US3300665A (en)
CH (1) CH422108A (en)
DE (1) DE1441716B1 (en)
DK (1) DK107042C (en)
GB (1) GB944118A (en)
SE (1) SE300023B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432760A (en) * 1966-10-04 1969-03-11 Gen Dynamics Corp Multi-band radio frequency tuner-amplifier
US3474269A (en) * 1968-11-18 1969-10-21 Bourns Inc Electronic crystal selector

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1639817A (en) * 1925-07-29 1927-08-23 Wired Radio Inc Piezo-electric crystal system
US1654189A (en) * 1925-12-29 1927-12-27 Wired Radio Inc Piezo-electric-crystal apparatus
US1663682A (en) * 1926-03-26 1928-03-27 Wired Radio Inc Piezo-electric-crystal apparatus
US2078909A (en) * 1934-10-31 1937-04-27 Gen Electric Tuning apparatus
US2183723A (en) * 1936-02-20 1939-12-19 Telefunken Gmbh Tuning means of communication or signal equipment
US2157576A (en) * 1936-05-14 1939-05-09 Telefunken Gmbh Arrangement of oscillation crystals
GB493102A (en) * 1937-03-30 1938-09-30 Hettie Dent Radio-frequency selector apparatus
US2141563A (en) * 1938-02-28 1938-12-27 Paul Skojec Sr Multiple fuse plug
US2672592A (en) * 1948-09-29 1954-03-16 Stromberg Carlson Co Switching device
US2682645A (en) * 1950-01-18 1954-06-29 Louis J Patla Variable inductance with multiple contact switch
US2688062A (en) * 1953-04-10 1954-08-31 Charles W Edman Combined switch and multiple fuse holder
US2898563A (en) * 1955-01-24 1959-08-04 Cola Rinaldo E De Turret tuner with peripherally extending contact carrying straps forming part of tuned circuit

Also Published As

Publication number Publication date
US3300665A (en) 1967-01-24
GB944118A (en) 1963-12-11
CH422108A (en) 1966-10-15
SE300023B (en) 1968-04-01
DE1441716B1 (en) 1970-10-29

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