JPS5588172A - Check unit for information code mark - Google Patents

Check unit for information code mark

Info

Publication number
JPS5588172A
JPS5588172A JP16488478A JP16488478A JPS5588172A JP S5588172 A JPS5588172 A JP S5588172A JP 16488478 A JP16488478 A JP 16488478A JP 16488478 A JP16488478 A JP 16488478A JP S5588172 A JPS5588172 A JP S5588172A
Authority
JP
Japan
Prior art keywords
bar codes
rate
check unit
print quality
read end
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.)
Granted
Application number
JP16488478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6153755B2 (enrdf_load_stackoverflow
Inventor
Hiroshiba Miyazaki
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP16488478A priority Critical patent/JPS5588172A/ja
Publication of JPS5588172A publication Critical patent/JPS5588172A/ja
Publication of JPS6153755B2 publication Critical patent/JPS6153755B2/ja
Granted legal-status Critical Current

Links

JP16488478A 1978-12-27 1978-12-27 Check unit for information code mark Granted JPS5588172A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16488478A JPS5588172A (en) 1978-12-27 1978-12-27 Check unit for information code mark

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16488478A JPS5588172A (en) 1978-12-27 1978-12-27 Check unit for information code mark

Publications (2)

Publication Number Publication Date
JPS5588172A true JPS5588172A (en) 1980-07-03
JPS6153755B2 JPS6153755B2 (enrdf_load_stackoverflow) 1986-11-19

Family

ID=15801721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16488478A Granted JPS5588172A (en) 1978-12-27 1978-12-27 Check unit for information code mark

Country Status (1)

Country Link
JP (1) JPS5588172A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218190A (en) * 1990-09-28 1993-06-08 Symbol Technologies, Inc. Means and method for non-contact bar code label verification
US5621203A (en) * 1992-09-25 1997-04-15 Symbol Technologies Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line
US5742038A (en) * 1990-09-28 1998-04-21 Symbol Technologies, Inc. Beam shaping for optical scanners
US5859417A (en) * 1991-06-14 1999-01-12 Symbol Technologies, Inc. Optical scanners having dual surface optical elements for dual working ranges
US6029893A (en) * 1995-05-22 2000-02-29 Symbol Technologies, Inc. Optical scanner having a reflected light collector including holographic optical elements
US6382513B1 (en) 1991-07-25 2002-05-07 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
US6948662B2 (en) 1991-07-25 2005-09-27 Symbol Technologies, Inc. Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53124923A (en) * 1977-04-06 1978-10-31 Shinko Electric Co Ltd Method of reading bar code

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53124923A (en) * 1977-04-06 1978-10-31 Shinko Electric Co Ltd Method of reading bar code

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218190A (en) * 1990-09-28 1993-06-08 Symbol Technologies, Inc. Means and method for non-contact bar code label verification
US5504315A (en) * 1990-09-28 1996-04-02 Symbol Technologies, Inc. Means and method for non-contact bar code label verification
US5742038A (en) * 1990-09-28 1998-04-21 Symbol Technologies, Inc. Beam shaping for optical scanners
US5859417A (en) * 1991-06-14 1999-01-12 Symbol Technologies, Inc. Optical scanners having dual surface optical elements for dual working ranges
US6382513B1 (en) 1991-07-25 2002-05-07 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
US6834805B2 (en) 1991-07-25 2004-12-28 Symbol Technologies, Inc. Optical scanner with segmented collection mirror
US6948662B2 (en) 1991-07-25 2005-09-27 Symbol Technologies, Inc. Two-dimensional optical code scanner with scanning pattern having region of greater apparent brightness for assisting alignment of scanning pattern
US5621203A (en) * 1992-09-25 1997-04-15 Symbol Technologies Method and apparatus for reading two-dimensional bar code symbols with an elongated laser line
US6029893A (en) * 1995-05-22 2000-02-29 Symbol Technologies, Inc. Optical scanner having a reflected light collector including holographic optical elements

Also Published As

Publication number Publication date
JPS6153755B2 (enrdf_load_stackoverflow) 1986-11-19

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