CA943798A - Method of producing phase holograms - Google Patents

Method of producing phase holograms

Info

Publication number
CA943798A
CA943798A CA092,634A CA92634A CA943798A CA 943798 A CA943798 A CA 943798A CA 92634 A CA92634 A CA 92634A CA 943798 A CA943798 A CA 943798A
Authority
CA
Canada
Prior art keywords
producing phase
phase holograms
holograms
producing
phase
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
CA092,634A
Other languages
English (en)
Inventor
Hans Dammann
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA943798A publication Critical patent/CA943798A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B11/00—Generation of oscillations using a shock-excited tuned circuit
    • H03B11/04—Generation of oscillations using a shock-excited tuned circuit excited by interrupter
    • H03B11/10—Generation of oscillations using a shock-excited tuned circuit excited by interrupter interrupter being semiconductor device
    • 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
    • Y10T152/00—Resilient tires and wheels
    • Y10T152/10—Tires, resilient
    • Y10T152/10036—Cushion and pneumatic combined
    • Y10T152/10054—Enclosed cushion

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Holo Graphy (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
  • Devices For Supply Of Signal Current (AREA)
CA092,634A 1968-09-17 1970-09-09 Method of producing phase holograms Expired CA943798A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6813243A NL6813243A (de) 1968-09-17 1968-09-17
DE1945789A DE1945789C3 (de) 1968-09-17 1969-09-10 Verfahren zur Aufnahme von Phasenhologrammen mit Blaze

Publications (1)

Publication Number Publication Date
CA943798A true CA943798A (en) 1974-03-19

Family

ID=25757883

Family Applications (1)

Application Number Title Priority Date Filing Date
CA092,634A Expired CA943798A (en) 1968-09-17 1970-09-09 Method of producing phase holograms

Country Status (7)

Country Link
US (1) US3609591A (de)
CA (1) CA943798A (de)
DE (2) DE1945789C3 (de)
FR (2) FR2018274A1 (de)
GB (2) GB1266375A (de)
NL (2) NL6813243A (de)
SE (1) SE362300B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5663878A (en) * 1996-03-21 1997-09-02 Unitrode Corporation Apparatus and method for generating a low frequency AC signal
US6115469A (en) * 1998-08-25 2000-09-05 Unitrode Corporation Telephone line ring signal and DC power generator

Also Published As

Publication number Publication date
FR2018274A1 (de) 1970-05-29
GB1266375A (de) 1972-03-08
DE1945789A1 (de) 1971-03-11
NL6813243A (de) 1970-03-19
US3609591A (en) 1971-09-28
DE1945789C3 (de) 1974-12-19
SE362300B (de) 1973-12-03
FR2061242A5 (de) 1971-06-18
DE1945789B2 (de) 1974-04-25
GB1329005A (en) 1973-09-05
NL7013166A (de) 1971-03-12
DE1945780A1 (de) 1970-03-26

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