NL7706999A - SAFE PLAYBACK AND RESPONTION DEVICE. - Google Patents

SAFE PLAYBACK AND RESPONTION DEVICE.

Info

Publication number: NL7706999A
Authority: NL; Netherlands
Prior art keywords: respontion; safe playback; playback; safe; respontion device
Prior art date: 1976-06-24

Application number

NL7706999A

Other languages

Dutch (nl)

Original Assignee

Freeman Michael James

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.)

1976-06-24

Filing date

1977-06-24

Publication date

1977-12-28

1977-06-24 Application filed by Freeman Michael James filed Critical Freeman Michael James

1977-12-28 Publication of NL7706999A publication Critical patent/NL7706999A/en

Classifications

- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F9/00—Games not otherwise provided for
- A63F9/18—Question-and-answer games
- A63F9/183—Question-and-answer games electric
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/06—Electrically-operated teaching apparatus or devices working with questions and answers of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Business, Economics & Management (AREA)
Educational Administration (AREA)
Educational Technology (AREA)
Multimedia (AREA)
Electrically Operated Instructional Devices (AREA)
Recording Or Reproducing By Magnetic Means (AREA)

NL7706999A 1976-06-24 1977-06-24 SAFE PLAYBACK AND RESPONTION DEVICE. NL7706999A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US69945376A	1976-06-24	1976-06-24

Publications (1)

Publication Number	Publication Date
NL7706999A true NL7706999A (en)	1977-12-28

Family

ID=24809399

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7706999A NL7706999A (en)	1976-06-24	1977-06-24	SAFE PLAYBACK AND RESPONTION DEVICE.

Country Status (2)

Country	Link
JP (1)	JPS531511A (en)
NL (1)	NL7706999A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5854199Y2 (en) *	1982-04-30	1983-12-09	ベツクマンインスツルメンツインコ−ポレ−テツド	Centrifuge tube holder assembly
JPH0713807Y2 (en) *	1989-06-09	1995-04-05	日立工機株式会社	Bucket for centrifuge

1977
- 1977-06-23 JP JP7539677A patent/JPS531511A/en active Pending
- 1977-06-24 NL NL7706999A patent/NL7706999A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPS531511A (en)	1978-01-09

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Legal Events

Date	Code	Title	Description
1983-02-01	BV	The patent application has lapsed