CA2501711C - Timer device for use in an audio/visual presentation - Google Patents

Timer device for use in an audio/visual presentation Download PDF

Info

Publication number
CA2501711C
CA2501711C CA2501711A CA2501711A CA2501711C CA 2501711 C CA2501711 C CA 2501711C CA 2501711 A CA2501711 A CA 2501711A CA 2501711 A CA2501711 A CA 2501711A CA 2501711 C CA2501711 C CA 2501711C
Authority
CA
Canada
Prior art keywords
overhead projector
projector
time tracking
tracking device
timer
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 - Fee Related
Application number
CA2501711A
Other languages
English (en)
French (fr)
Other versions
CA2501711A1 (en
Inventor
Michael Morykwas
Phillip R. Merkey
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
Publication of CA2501711A1 publication Critical patent/CA2501711A1/en
Application granted granted Critical
Publication of CA2501711C publication Critical patent/CA2501711C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
  • Holo Graphy (AREA)
CA2501711A 2002-10-07 2002-10-07 Timer device for use in an audio/visual presentation Expired - Fee Related CA2501711C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/032014 WO2004034157A1 (en) 2002-10-07 2002-10-07 Timer device for use in an audio/visual presentation

Publications (2)

Publication Number Publication Date
CA2501711A1 CA2501711A1 (en) 2004-04-22
CA2501711C true CA2501711C (en) 2012-08-28

Family

ID=32092086

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2501711A Expired - Fee Related CA2501711C (en) 2002-10-07 2002-10-07 Timer device for use in an audio/visual presentation

Country Status (6)

Country Link
EP (1) EP1550014B1 (de)
AT (1) ATE525684T1 (de)
CA (1) CA2501711C (de)
DK (1) DK1550014T3 (de)
HK (1) HK1078351A1 (de)
WO (1) WO2004034157A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1952768A (zh) * 2005-10-19 2007-04-25 宏碁股份有限公司 投影显示装置的时间控制系统及其方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590944A (en) 1989-08-28 1997-01-07 Stokes; William T. Projectable timer
KR100220042B1 (ko) * 1990-06-07 1999-09-01 가부시키가이샤 히타치 세이사쿠쇼 발표지원방법 및 그 장치
JP2841030B2 (ja) 1994-07-25 1998-12-24 株式会社村上開明堂 原稿表示装置
JPH08313658A (ja) * 1995-05-17 1996-11-29 Sony Corp オーバーヘッドプロジェクタ用文字表示装置
US5905694A (en) 1995-08-02 1999-05-18 Rothberg; Michael R. Coordinated presentation apparatus and method
JPH09244144A (ja) * 1996-03-06 1997-09-19 Sharp Corp スクリーン投影システム
DE20019177U1 (de) 2000-09-27 2001-01-25 Derksen, Joachim Max, 45889 Gelsenkirchen Uhr und Projektionssystem

Also Published As

Publication number Publication date
DK1550014T3 (da) 2012-01-23
EP1550014B1 (de) 2011-09-21
CA2501711A1 (en) 2004-04-22
WO2004034157A1 (en) 2004-04-22
HK1078351A1 (en) 2006-03-10
EP1550014A1 (de) 2005-07-06
ATE525684T1 (de) 2011-10-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20151007