NL171847B - SOUND RECORDING AND PLAYBACK DEVICE. - Google Patents

SOUND RECORDING AND PLAYBACK DEVICE.

Info

Publication number
NL171847B
NL171847B NLAANVRAGE7710200,A NL171847DA NL171847B NL 171847 B NL171847 B NL 171847B NL 171847D A NL171847D A NL 171847DA NL 171847 B NL171847 B NL 171847B
Authority
NL
Netherlands
Prior art keywords
playback device
sound recording
sound
recording
playback
Prior art date
Application number
NLAANVRAGE7710200,A
Other languages
Dutch (nl)
Original Assignee
Compur Electronic Gmbh
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.)
Publication of NL171847B publication Critical patent/NL171847B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making
    • 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
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
NLAANVRAGE7710200,A 1946-03-15 SOUND RECORDING AND PLAYBACK DEVICE. NL171847B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US65455646A 1946-03-15 1946-03-15
US2904A US2522715A (en) 1946-03-15 1948-01-17 Rotary switch
US2905A US2641050A (en) 1946-03-15 1948-01-17 Method of making rotary switch wipers
US248897A US2710896A (en) 1946-03-15 1951-09-29 Rotary stepping switches

Publications (1)

Publication Number Publication Date
NL171847B true NL171847B (en)

Family

ID=27485221

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7710200,A NL171847B (en) 1946-03-15 SOUND RECORDING AND PLAYBACK DEVICE.

Country Status (5)

Country Link
US (3) US2522715A (en)
BE (1) BE471881A (en)
FR (1) FR943077A (en)
GB (2) GB642586A (en)
NL (1) NL171847B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL171847B (en) * 1946-03-15 Compur Electronic Gmbh SOUND RECORDING AND PLAYBACK DEVICE.
US2750480A (en) * 1953-01-29 1956-06-12 Charles B Freeman Circuit control device
FR1100014A (en) * 1953-02-21
US2914687A (en) * 1953-07-30 1959-11-24 Cons Electrodynamics Corp Stepping motor
US2743335A (en) * 1953-09-04 1956-04-24 Gen Motors Corp Circuit breaker
US2792479A (en) * 1953-12-09 1957-05-14 Gintovt Henry Cycle control switch
US2799755A (en) * 1954-08-24 1957-07-16 Gen Electric Co Ltd Contact wiper assemblies for electromagnetic step-by-step switches
US2906838A (en) * 1955-03-04 1959-09-29 Burroughs Corp Program scanning apparatus
US2948013A (en) * 1955-09-07 1960-08-09 Blaw Knox Co Program control for soot blowers
US3086096A (en) * 1957-02-05 1963-04-16 United Electrodynamics Inc Stepping switch
US3014193A (en) * 1958-06-26 1961-12-19 Electro Tec Corp Electrical slip ring and support
US3093713A (en) * 1959-11-06 1963-06-11 Grigsby Company Inc Electrical component assembly
US3097278A (en) * 1960-04-13 1963-07-09 Singer Mfg Co Rotary solenoid actuated switches
US3167852A (en) * 1960-10-26 1965-02-02 Standard Gribsby Method of making an electrical switch
US3196223A (en) * 1960-12-06 1965-07-20 Robert E Hartsock Selector switch with scanning motion translation means
US3248488A (en) * 1961-02-20 1966-04-26 Globe Union Inc Switch construction and contact clip mounting arrangement therefor
US3238319A (en) * 1961-09-13 1966-03-01 American Mach & Foundry Switch with axially spaced angularly offset rotary wiper contacts
US3106626A (en) * 1961-10-11 1963-10-08 Automatic Elect Lab Stepping switch
US3233066A (en) * 1963-02-26 1966-02-01 Cons Electronics Ind Low-torque stepper switch
US3267225A (en) * 1965-09-03 1966-08-16 Automatic Elect Lab Rotary switch shaft and support structure
US3319017A (en) * 1965-09-30 1967-05-09 Cecil S Adams Switch control apparatus with improved brush contact means
DE102004004016A1 (en) * 2004-01-20 2005-08-04 E.G.O. Elektro-Gerätebau GmbH Magnetically activated contacting device

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US668389A (en) * 1899-11-23 1901-02-19 Charles M Gould Electric switch.
US707505A (en) * 1901-04-15 1902-08-19 Sears B Condit Jr Electrical switch.
US1040940A (en) * 1911-05-10 1912-10-08 American Railway Signal Company Art of railway signaling.
US1246308A (en) * 1913-01-27 1917-11-13 Aron Elek Citaetszaehlerfabrik G M B H H Process of manufacturing electric measuring instruments.
US1212318A (en) * 1916-05-17 1917-01-16 Plume & Atwood Mfg Company Fixture-loop.
US1794888A (en) * 1923-03-14 1931-03-03 Automatic Electric Inc Automatic switch
US1595107A (en) * 1924-06-12 1926-08-10 Western Electric Co Composite article and method of making the same
GB244458A (en) * 1924-12-09 1927-03-07 Automatic Telephone Mfg Co Ltd Improvements in or relating to automatic switches for use in telephone or like systems
GB250996A (en) * 1925-01-14 1926-04-14 Automatic Telephone Mfg Co Ltd Improvements in or relating to rotary distributors for use in telegraph or like systems
GB264616A (en) * 1925-11-06 1927-01-27 Automatic Telephone Mfg Co Ltd Improvements in or relating to switching apparatus for telephone systems
US1707175A (en) * 1927-03-05 1929-03-26 Irene L Platt Dirigible spotlight and traffic signal
US1768394A (en) * 1928-10-31 1930-06-24 Western Electric Co Selector switch
US1886059A (en) * 1929-11-06 1932-11-01 Int Standard Electric Corp Automatic switching mechanism
GB358293A (en) * 1930-10-15 1931-10-08 Coventry Autom Telephones Ltd Improvements in or relating to electromagnetic step-by-step switches
GB391072A (en) * 1932-12-13 1933-04-20 Aron Electricity Meter Ltd Improvements in or relating to the manufacture of pointers for instruments
US2038405A (en) * 1934-01-22 1936-04-21 Gamewell Co Electric switch
US2096064A (en) * 1935-01-23 1937-10-19 Sophie Seberhagen Controller
US2194051A (en) * 1935-09-26 1940-03-19 Siemens Ag Telephone switch
US2177483A (en) * 1936-08-01 1939-10-24 Mallory & Co Inc P R Gang switch
US2257643A (en) * 1939-02-13 1941-09-30 Telefunken Gmbh Method of making rotary condensers
US2277443A (en) * 1941-05-10 1942-03-24 Comar Electric Co Switch-stack assembly
US2349878A (en) * 1942-11-17 1944-05-30 Western Electric Co Assembling apparatus
US2438959A (en) * 1942-12-12 1948-04-06 Western Electric Co Method of assembling arcuate terminal banks
FR917723A (en) * 1945-07-24 1947-01-20 Constr Telephoniques Improvements to rotary switch advancement mechanisms
NL171847B (en) * 1946-03-15 Compur Electronic Gmbh SOUND RECORDING AND PLAYBACK DEVICE.

Also Published As

Publication number Publication date
FR943077A (en) 1949-02-25
US2641050A (en) 1953-06-09
US2522715A (en) 1950-09-19
GB642640A (en) 1950-09-06
GB642586A (en) 1950-09-06
BE471881A (en)
US2710896A (en) 1955-06-14

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