DE1936004B2 - Audiowiedergabeeinrichtung - Google Patents

Audiowiedergabeeinrichtung

Info

Publication number
DE1936004B2
DE1936004B2 DE19691936004 DE1936004A DE1936004B2 DE 1936004 B2 DE1936004 B2 DE 1936004B2 DE 19691936004 DE19691936004 DE 19691936004 DE 1936004 A DE1936004 A DE 1936004A DE 1936004 B2 DE1936004 B2 DE 1936004B2
Authority
DE
Germany
Prior art keywords
density
zone
tracks
amplifier
audio
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.)
Granted
Application number
DE19691936004
Other languages
German (de)
English (en)
Other versions
DE1936004C3 (https=
DE1936004A1 (de
Inventor
Lester Jerome North Palm Beach; James Ermys Craig Palm Beach Gardens; Fla. Limbaugh (V.St.A.)
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of DE1936004A1 publication Critical patent/DE1936004A1/de
Publication of DE1936004B2 publication Critical patent/DE1936004B2/de
Application granted granted Critical
Publication of DE1936004C3 publication Critical patent/DE1936004C3/de
Granted 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • 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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE19691936004 1968-07-22 1969-07-15 Audiowiedergabeeinrichtung Granted DE1936004B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74666668A 1968-07-22 1968-07-22
US74666668 1968-07-22

Publications (3)

Publication Number Publication Date
DE1936004A1 DE1936004A1 (de) 1970-01-29
DE1936004B2 true DE1936004B2 (de) 1976-10-07
DE1936004C3 DE1936004C3 (https=) 1977-05-18

Family

ID=25001816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691936004 Granted DE1936004B2 (de) 1968-07-22 1969-07-15 Audiowiedergabeeinrichtung

Country Status (5)

Country Link
US (1) US3536858A (https=)
JP (1) JPS5144602B1 (https=)
DE (1) DE1936004B2 (https=)
FR (1) FR2013473A1 (https=)
GB (1) GB1272962A (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679986A (en) * 1970-09-04 1972-07-25 Ibm Non-linear feedback gain control and peak detector system
US3839683A (en) * 1971-05-25 1974-10-01 Raytheon Co Directional transducer system
JPS4894401A (https=) * 1972-03-15 1973-12-05
US3879674A (en) * 1973-12-27 1975-04-22 Burroughs Corp Automatic gain control circuit
JPS53118601U (https=) * 1977-02-28 1978-09-20
JPS5593821U (https=) * 1978-12-19 1980-06-28
JPS58218002A (ja) * 1982-06-14 1983-12-19 Canon Inc 磁気録画再生装置
US5410527A (en) * 1985-05-14 1995-04-25 Canon Kabushiki Kaisha Information recording/reproducing apparatus including setting optimum recording condition or reproducing condition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195113A (en) * 1963-10-24 1965-07-13 Itt High density data storage system
US3300591A (en) * 1963-10-30 1967-01-24 Cognitronics Corp Audio playback unit
US3221337A (en) * 1963-11-12 1965-11-30 Gen Electric System for correcting the position of a writing or reading beam relation to a recording medium
US3382461A (en) * 1967-11-28 1968-05-07 Optimation Inc Track and hold servocontrol circuit

Also Published As

Publication number Publication date
GB1272962A (en) 1972-05-03
FR2013473A1 (https=) 1970-04-03
DE1936004A1 (de) 1970-01-29
US3536858A (en) 1970-10-27
JPS5144602B1 (https=) 1976-11-30

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee