DE2332662A1 - Tageslicht-projektionsgeraet - Google Patents

Tageslicht-projektionsgeraet

Info

Publication number
DE2332662A1
DE2332662A1 DE2332662A DE2332662A DE2332662A1 DE 2332662 A1 DE2332662 A1 DE 2332662A1 DE 2332662 A DE2332662 A DE 2332662A DE 2332662 A DE2332662 A DE 2332662A DE 2332662 A1 DE2332662 A1 DE 2332662A1
Authority
DE
Germany
Prior art keywords
projection
light source
projection device
head
adjustment
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.)
Pending
Application number
DE2332662A
Other languages
German (de)
English (en)
Inventor
Gerhard Ritzerfeld
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2332662A priority Critical patent/DE2332662A1/de
Priority to FR7344733A priority patent/FR2234827A5/fr
Priority to CH579474A priority patent/CH561434A5/xx
Priority to BE143683A priority patent/BE814263A/xx
Priority to GB2125974A priority patent/GB1424298A/en
Priority to NO741870A priority patent/NO741870L/no
Priority to DK333574A priority patent/DK333574A/da
Publication of DE2332662A1 publication Critical patent/DE2332662A1/de
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE2332662A 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet Pending DE2332662A1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE2332662A DE2332662A1 (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet
FR7344733A FR2234827A5 (enrdf_load_stackoverflow) 1973-06-23 1973-12-14
CH579474A CH561434A5 (enrdf_load_stackoverflow) 1973-06-23 1974-04-26
BE143683A BE814263A (fr) 1973-06-23 1974-04-26 Appareil de projection a la lumiere du jour
GB2125974A GB1424298A (en) 1973-06-23 1974-05-14 Overhead projector
NO741870A NO741870L (enrdf_load_stackoverflow) 1973-06-23 1974-05-22
DK333574A DK333574A (enrdf_load_stackoverflow) 1973-06-23 1974-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2332662A DE2332662A1 (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet

Publications (1)

Publication Number Publication Date
DE2332662A1 true DE2332662A1 (de) 1975-03-20

Family

ID=5885227

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2332662A Pending DE2332662A1 (de) 1973-06-23 1973-06-23 Tageslicht-projektionsgeraet

Country Status (7)

Country Link
BE (1) BE814263A (enrdf_load_stackoverflow)
CH (1) CH561434A5 (enrdf_load_stackoverflow)
DE (1) DE2332662A1 (enrdf_load_stackoverflow)
DK (1) DK333574A (enrdf_load_stackoverflow)
FR (1) FR2234827A5 (enrdf_load_stackoverflow)
GB (1) GB1424298A (enrdf_load_stackoverflow)
NO (1) NO741870L (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311880U1 (de) * 1993-08-04 1993-10-14 AV-Kommunikation Anders + Kern GmbH & Co KG, 22851 Norderstedt Overhead-Projektor mit einem Variofocalobjektiv
DE19538795A1 (de) * 1995-10-18 1997-04-24 Peter Ochsenmeier Tragbarer Overhead-Projektor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311880U1 (de) * 1993-08-04 1993-10-14 AV-Kommunikation Anders + Kern GmbH & Co KG, 22851 Norderstedt Overhead-Projektor mit einem Variofocalobjektiv
DE19538795A1 (de) * 1995-10-18 1997-04-24 Peter Ochsenmeier Tragbarer Overhead-Projektor

Also Published As

Publication number Publication date
BE814263A (fr) 1974-08-16
FR2234827A5 (enrdf_load_stackoverflow) 1975-01-17
GB1424298A (en) 1976-02-11
DK333574A (enrdf_load_stackoverflow) 1975-02-10
NO741870L (enrdf_load_stackoverflow) 1975-01-20
CH561434A5 (enrdf_load_stackoverflow) 1975-04-30

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
OHJ Non-payment of the annual fee