JPS5221930A - Control circuit for studying device - Google Patents

Control circuit for studying device

Info

Publication number
JPS5221930A
JPS5221930A JP50097400A JP9740075A JPS5221930A JP S5221930 A JPS5221930 A JP S5221930A JP 50097400 A JP50097400 A JP 50097400A JP 9740075 A JP9740075 A JP 9740075A JP S5221930 A JPS5221930 A JP S5221930A
Authority
JP
Japan
Prior art keywords
control circuit
studying device
studying
circuit
control
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
JP50097400A
Other languages
Japanese (ja)
Inventor
Kishiyou Nakayama
Shigeaki Ushiro
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP50097400A priority Critical patent/JPS5221930A/en
Publication of JPS5221930A publication Critical patent/JPS5221930A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Projection Apparatus (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP50097400A 1975-08-11 1975-08-11 Control circuit for studying device Pending JPS5221930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50097400A JPS5221930A (en) 1975-08-11 1975-08-11 Control circuit for studying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50097400A JPS5221930A (en) 1975-08-11 1975-08-11 Control circuit for studying device

Publications (1)

Publication Number Publication Date
JPS5221930A true JPS5221930A (en) 1977-02-18

Family

ID=14191456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50097400A Pending JPS5221930A (en) 1975-08-11 1975-08-11 Control circuit for studying device

Country Status (1)

Country Link
JP (1) JPS5221930A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450781A (en) * 1982-04-01 1984-05-29 Usm Corporation Thread wiping mechanism
US5255623A (en) * 1991-08-23 1993-10-26 The Singer Company N.V. Wiper for a sewing machine
US6568339B1 (en) * 2000-06-28 2003-05-27 Clinton Indusries, Inc. Side mount thread wiper for a sewing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450781A (en) * 1982-04-01 1984-05-29 Usm Corporation Thread wiping mechanism
US5255623A (en) * 1991-08-23 1993-10-26 The Singer Company N.V. Wiper for a sewing machine
US6568339B1 (en) * 2000-06-28 2003-05-27 Clinton Indusries, Inc. Side mount thread wiper for a sewing machine

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