GB1361023A - Switching devices - Google Patents

Switching devices

Info

Publication number
GB1361023A
GB1361023A GB3048271A GB3048271A GB1361023A GB 1361023 A GB1361023 A GB 1361023A GB 3048271 A GB3048271 A GB 3048271A GB 3048271 A GB3048271 A GB 3048271A GB 1361023 A GB1361023 A GB 1361023A
Authority
GB
United Kingdom
Prior art keywords
contact
contacts
finger
tens
combinations
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
GB3048271A
Other languages
English (en)
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.)
GAF Corp
Original Assignee
GAF 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 GAF Corp filed Critical GAF Corp
Publication of GB1361023A publication Critical patent/GB1361023A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • G03B23/02—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor
    • G03B23/06—Devices for changing pictures in viewing apparatus or projectors in which pictures are removed from, and returned to, magazines; Magazines therefor with rotary movement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Slide Switches (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Projection Apparatus (AREA)
GB3048271A 1970-06-30 1971-06-29 Switching devices Expired GB1361023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5116970A 1970-06-30 1970-06-30

Publications (1)

Publication Number Publication Date
GB1361023A true GB1361023A (en) 1974-07-24

Family

ID=21969751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3048271A Expired GB1361023A (en) 1970-06-30 1971-06-29 Switching devices

Country Status (9)

Country Link
JP (1) JPS5139536B1 (enExample)
BE (1) BE769233A (enExample)
CA (1) CA942807A (enExample)
CH (1) CH539332A (enExample)
DE (2) DE7124972U (enExample)
FR (1) FR2100035A5 (enExample)
GB (1) GB1361023A (enExample)
IT (1) IT946268B (enExample)
NL (1) NL145984B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129219A (en) * 1982-10-08 1984-05-10 Tsuyama Mfg Co Ltd Switching apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54123050A (en) * 1978-03-17 1979-09-25 Toshiba Corp Liquid crystal display device
AT387472B (de) * 1981-11-03 1989-01-25 Kapsch Ag Drehschalter- und/oder drehpotentiometer-anordnung
JPS58106524A (ja) * 1981-12-18 1983-06-24 Mitsubishi Electric Corp 液晶表示装置
JPS61125U (ja) * 1985-04-17 1986-01-06 株式会社日立製作所 液晶表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129219A (en) * 1982-10-08 1984-05-10 Tsuyama Mfg Co Ltd Switching apparatus

Also Published As

Publication number Publication date
CH539332A (de) 1973-07-15
DE2132297B2 (de) 1973-07-12
NL145984B (nl) 1975-05-15
JPS5139536B1 (enExample) 1976-10-28
DE2132297C3 (de) 1974-02-07
CA942807A (en) 1974-02-26
BE769233A (fr) 1971-11-03
NL7108792A (enExample) 1972-01-03
FR2100035A5 (enExample) 1972-03-17
IT946268B (it) 1973-05-21
DE2132297A1 (de) 1972-01-05
DE7124972U (de) 1971-11-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee