US3238308A - Arrangement in magnetic recorders having a trick switch - Google Patents

Arrangement in magnetic recorders having a trick switch Download PDF

Info

Publication number
US3238308A
US3238308A US53239A US5323960A US3238308A US 3238308 A US3238308 A US 3238308A US 53239 A US53239 A US 53239A US 5323960 A US5323960 A US 5323960A US 3238308 A US3238308 A US 3238308A
Authority
US
United States
Prior art keywords
switch
trick
recording
trick switch
arrangement
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 - Lifetime
Application number
US53239A
Other languages
English (en)
Inventor
Pollaschek Viktor
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.)
US Philips Corp
North American Philips Co Inc
Original Assignee
US Philips 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 US Philips Corp filed Critical US Philips Corp
Application granted granted Critical
Publication of US3238308A publication Critical patent/US3238308A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H17/00—Switches having flexible operating part adapted only for pulling, e.g. cord, chain
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts

Definitions

  • the erasing current in the erasing head may be either attenuated or interrupted completely, or the sound carrier and the erasing head may be spaced apart a certain distance.
  • the member for carrying out the electrical and mechanical changes is herein referred to as a trick switch. As long as the trick switch is in an on position, normal records cannot, of "course, be made. After termination of a trick record it is quite possible to turn ofi the trick switch, thus such switches have been designed, for example, in the form of a key which upon release returns to the rest or off position of its own accord.
  • This invention relates to a convenient arrangement safeguarded against erroneous operation in normal recording and in which a trick switch is freely movea'ble of itself, and is also automatically switched off by the recording switch controlling operation of such machines.
  • a driving element which co-acts with the mechanism of the recording switch and which is brought into unilaterally active connection with a slideable trick switch.
  • the trick switch can thus be manually operated freely upon switching on the recording operation, but is switched 01f and held in a constrained manner upon discontinuing recording, i.e., switching off recording operation.
  • the embodiment according to the invention leaves the user complete freedom to operate the trick switch at will to its on or off position when the machine is set for recording by means of the recording switch. It thus provides complete security that each record is started with the trick switch in the off position and hence under the correct conditions for recording. This effect is also obtained with a minimum use of mechanical means.
  • a switching rod 1 which is shown in the rest position and thus the recording operation is turned off.
  • the members to be operated by the key such as sets of contacts, etc. are not shown.
  • the rod 1 To turn on the machine for recording, the rod 1 must be moved in the direction indicated by the arrow 2.
  • the rod 1 is then arrested by means of a lug 3 in known manner by a locking member 4 which is pivotal about axis 5 and which is maintained in contact with the switching rod 1 by means of a spring 6.
  • a Bowden cable 7 Secured to the rod 1 is a Bowden cable 7 which is maintained stretched by a spring 8.
  • the Bowden cable 7 has a driving element 9 secured to it.
  • the trick switch 10 is preferably of the slidable type for simplicity.
  • the contacts or the like to be operated by it are not shown, and the switch is indicated in its non-rest or operative off and on positions, i.e. the trick switch is movable by operating handle 11 of the trick switch 10.
  • the handle 11 has an aperture 12 through which the core of the Bowden cable 7 is passed.
  • the driving element 9 is secured to the Bowden cable 7 so as to engage the handle 11 if both the trick switch and the recording key occupy their oft positions.
  • the driving element 9 is withdrawn from the operating handle 11 so as to release the trick switch 10 for switching on and off at will.
  • the driving element 9 moves the switch 10 to its off position.
  • the relative position of the recording switch and the trick switch can be varied greatly.
  • any other switch for example a rotary switch, the two positions of which may also be transmitted to a driving element 9 in a similar manner with the aid of a Bowden cable.
  • An improved trick switch for a recorder/reproducer comprising an erasing means, a slidable trick switch having off and on positions operatively connected with and controlling said erasing means, a member having an off, and on position operatively connected with and controlling the recording operation of said recorder/ reprod'ucer, and means interconnecting said trick switch and said member, said means including a driving element for releasing said trick switch to permit manual movement to its 0 and on positions when said member is in its on position, and placing and holding said trick switch in its off position when said member is placed in its off position.
  • said means including said driving element comprises a Bowden cable having one end secured to one end of said member and having said driving element secured adjacent the other end of said Bowden cable.

Landscapes

  • Keying Circuit Devices (AREA)
  • Switch Cases, Indication, And Locking (AREA)
US53239A 1959-09-04 1960-08-31 Arrangement in magnetic recorders having a trick switch Expired - Lifetime US3238308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT642059A AT215176B (de) 1959-09-04 1959-09-04 Einrichtung in einem Magnettongerät mit Trickschalter

Publications (1)

Publication Number Publication Date
US3238308A true US3238308A (en) 1966-03-01

Family

ID=3586138

Family Applications (1)

Application Number Title Priority Date Filing Date
US53239A Expired - Lifetime US3238308A (en) 1959-09-04 1960-08-31 Arrangement in magnetic recorders having a trick switch

Country Status (3)

Country Link
US (1) US3238308A (de)
AT (1) AT215176B (de)
CH (1) CH378954A (de)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619900A (en) * 1899-02-21 Half to ernest ii
US1136639A (en) * 1913-03-01 1915-04-20 Cutler Hammer Mfg Co Circuit-controller.
US1563160A (en) * 1921-07-14 1925-11-24 Bryant Electric Co Electric switch
US1564207A (en) * 1923-05-10 1925-12-08 Cloud John Wills Controlling device for electric circuits
US2171073A (en) * 1934-02-05 1939-08-29 Clum Mfg Company Motor vehicle switch
US2557351A (en) * 1947-10-24 1951-06-19 Fairchild Engine & Airplane Lever sequence control
FR1197025A (fr) * 1956-12-20 1959-11-27 Philips Nv Dispositif à commutateurs coulissants, applicable, en particulier, aux radiorécepteurs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US619900A (en) * 1899-02-21 Half to ernest ii
US1136639A (en) * 1913-03-01 1915-04-20 Cutler Hammer Mfg Co Circuit-controller.
US1563160A (en) * 1921-07-14 1925-11-24 Bryant Electric Co Electric switch
US1564207A (en) * 1923-05-10 1925-12-08 Cloud John Wills Controlling device for electric circuits
US2171073A (en) * 1934-02-05 1939-08-29 Clum Mfg Company Motor vehicle switch
US2557351A (en) * 1947-10-24 1951-06-19 Fairchild Engine & Airplane Lever sequence control
FR1197025A (fr) * 1956-12-20 1959-11-27 Philips Nv Dispositif à commutateurs coulissants, applicable, en particulier, aux radiorécepteurs

Also Published As

Publication number Publication date
AT215176B (de) 1961-05-25
CH378954A (de) 1964-06-30

Similar Documents

Publication Publication Date Title
US3238308A (en) Arrangement in magnetic recorders having a trick switch
GB1508639A (en) Push rod type tape recorder operating device
US3434725A (en) Automatic stop apparatus for a recorder/reproducer
US4441129A (en) Eject device of magnetic recording tape driving apparatus for tape cassette
US3429578A (en) Head switching apparatus of a tape recorder
JPS5660A (en) Cassette loading unit
US4232346A (en) Apparatus for repeated reproduction of intelligence on selected portions of magnetic tape
US3179753A (en) Arrangement in magnetic recorders
GB1393108A (en) Timing mechanism
GB947579A (en) Improvements in or relating to timers
GB1309729A (en) Operating mechanism for a cassette tape player
GB1056778A (en) Shaft positioning means
US3790956A (en) Arrangement for presetting a television tuner
US4580181A (en) Compact cassette player
GB922981A (en) Record changers cut-out device
JPS5812342Y2 (ja) スイツチ装置
US3807673A (en) Adapter stand for a portable electrical device
US2212673A (en) Phonograph
JPS6331220Y2 (de)
GB1460930A (en) Mechanical logic switching device
TW368646B (en) Magnetic recording and/or playback apparatus for use with a tape cassette which can memorize the position of the magnetic head
JPS5834595Y2 (ja) 磁気録音再生装置
JPH0574277A (ja) 操作部機構
JPS5810205Y2 (ja) 語学練習用カセットテプレコダ
JPS609955Y2 (ja) テ−プレコ−ダ−の制御回路