DE628510C - Photoelectric control device in optical sound recording devices - Google Patents

Photoelectric control device in optical sound recording devices

Info

Publication number
DE628510C
DE628510C DEK126043D DEK0126043D DE628510C DE 628510 C DE628510 C DE 628510C DE K126043 D DEK126043 D DE K126043D DE K0126043 D DEK0126043 D DE K0126043D DE 628510 C DE628510 C DE 628510C
Authority
DE
Germany
Prior art keywords
control device
recording devices
sound recording
photoelectric control
optical sound
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
DEK126043D
Other languages
German (de)
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.)
Klangfilm GmbH
Original Assignee
Klangfilm GmbH
Publication date
Priority to DEK126043D priority Critical patent/DE628510C/en
Application granted granted Critical
Publication of DE628510C publication Critical patent/DE628510C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

*) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor:

Dr. Rudolf Schultz in Berlin-Charlottenburg.Dr. Rudolf Schultz in Berlin-Charlottenburg.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

ÖERUN. GEDRUCKT IN DER REICHSDRUCKEREtÖERUN. PRINTED IN THE REICHSDRUCKEREt

Claims (1)

Patentanspruch:Claim: Lichtelektrische Kontrolleinrichtung in Lichttonaufzeichnungsgeräten, die eine zwischen der Lichtsteuerstelle und dem Aufzeichnungsträger angeordnete Blende ■ für die Randstrahlen enthalten, dadurch gekennzeichnet, daß die Randstrahlenblende (S) selbst die lichtempfindliche Schicht (Z) trägt.Photoelectric control device in optical sound recorders that have a between the light control point and the recording medium arranged diaphragm ■ contain for the marginal rays, thereby characterized in that the marginal ray diaphragm (S) itself carries the light-sensitive layer (Z).
DEK126043D Photoelectric control device in optical sound recording devices Expired DE628510C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK126043D DE628510C (en) Photoelectric control device in optical sound recording devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK126043D DE628510C (en) Photoelectric control device in optical sound recording devices

Publications (1)

Publication Number Publication Date
DE628510C true DE628510C (en) 1936-04-06

Family

ID=7246032

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK126043D Expired DE628510C (en) Photoelectric control device in optical sound recording devices

Country Status (1)

Country Link
DE (1) DE628510C (en)

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