GB1213427A – Optical ticket reader and encoding means
– Google Patents
GB1213427A – Optical ticket reader and encoding means
– Google Patents
Optical ticket reader and encoding means
Info
Publication number
GB1213427A
GB1213427A
GB06975/69A
GB1697569A
GB1213427A
GB 1213427 A
GB1213427 A
GB 1213427A
GB 06975/69 A
GB06975/69 A
GB 06975/69A
GB 1697569 A
GB1697569 A
GB 1697569A
GB 1213427 A
GB1213427 A
GB 1213427A
Authority
GB
United Kingdom
Prior art keywords
pulses
shift
counter
ticket
register
Prior art date
1968-04-29
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
Application number
GB06975/69A
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.)
Bendix Corp
Original Assignee
Bendix Corp
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.)
1968-04-29
Filing date
1969-04-01
Publication date
1970-11-25
1969-04-01
Application filed by Bendix Corp
filed
Critical
Bendix Corp
1970-11-25
Publication of GB1213427A
publication
Critical
patent/GB1213427A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G06—COMPUTING; CALCULATING OR COUNTING
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
G—PHYSICS
G06—COMPUTING; CALCULATING OR COUNTING
G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
G06K7/01—Details
G06K7/016—Synchronisation of sensing process
G06K7/0163—Synchronisation of sensing process by means of additional timing marks on the record-carrier
Abstract
1,213,427. Sensing records. BENDIX CORP. 1 April, 1969 [29 April, 1968], No. 16975/69. Heading G4M. An optical reader comprises a row of sensors each of which includes a fibre optic bundle partially split into two legs and a trunk, light from a source passing down one leg, being reflected by an indicium in registration with the end of the trunk and passing up the other leg to a photodetector. Preferably the fibres in the first and second legs are intermixed in the trunk and each detector circuit has an adjustable threshold. Ticket, Fig. 1, comprises several tear-off sections for use at different stages of a passenger’s journey. The sections include a clock track 250, a coded ticket number 251, a pair of key indicia 255a, 255b whose distance from clock track 250 identifies the particular ticket section, one or more fields 253, 254 in which up to three areas of the 26 available may be marked, and a four digit decimal field 252. Sensing apparatus. Fig. 2 (not shown).-Each row of a ticket section is scanned by a fibre optics bundle with an associated common illuminating source and individual detectors for the rows. A further detector is provided for detecting arrival of the ticket section at the sensing station to perform various reset functions. Circuit, Figs. 5, 6.-The sensor detecting the first key indicium 255a produces a signal on one of leads 337 to 340 to enable a group of AND gates 350-359 and 381-383, the particular group thus enabled providing an input path for the sensor outputs 389-398 to shift registers 360-369 corresponding to the rows present on the particular type of ticket section. The ticket number 251 is fed directly to a shift register 476 from sensor output 399. The shift registers 360-369 are clocked by alternate pulses derived from corresponding indicia sensed from the clock track 250, shift register 476 receiving all the clock pulses via OR gate 349. At the end of scanning of the ticket section; a counter supplied with the clock pulses enables a set of gates to compare the first key indicium 255a stored in a bi.stable circuit with the second key indicium 255b, and if the key indicia do not correspond an «invalid» lamp remains on. Data is read out of the shift registers by trains of pulses applied to them in turn from a timing circuit. The shift out pulses are also fed to a counter 417 the contents of which are gated into a shift register 430 when a data pulse is read out of a shift register on lead w. A further counter 427 counts the shift pulses and provides a parity bit for entry in shift register 430. The delayed data pulse triggers a counter 433 to generate a train of 6 pulses which advance a counter 418 and shift the contents of register 430. Subsequent data pulses in an alphabetic field are processed similarly, and at the end of the field, counter 418 is triggered by a timer pulse to advance to 18 and produce the corresponding number of pulses to shift register 430, so that over the complete field the register has advanced by three 6-bit characters even though one or more of these are all zero. Operation for the decimal fields is similar except that the shift-out pulses are applied to stage 421 of counter 417 since only 4 bits plus a parity bit are required, and the data pulses appear on lead y, counters 433
GB06975/69A
1968-04-29
1969-04-01
Optical ticket reader and encoding means
Expired
GB1213427A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US72485568A
1968-04-29
1968-04-29
Publications (1)
Publication Number
Publication Date
GB1213427A
true
GB1213427A
(en)
1970-11-25
Family
ID=24912200
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB06975/69A
Expired
GB1213427A
(en)
1968-04-29
1969-04-01
Optical ticket reader and encoding means
Country Status (4)
Country
Link
US
(1)
US3576430A
(en)
DE
(1)
DE1921266A1
(en)
FR
(1)
FR2007174A1
(en)
GB
(1)
GB1213427A
(en)
Families Citing this family (19)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4001549A
(en)
*
1971-06-10
1977-01-04
Corwin Edward J
Marking document and template assembly and method of making the assembly
US3727030A
(en)
*
1971-06-30
1973-04-10
Ibm
Hand probe for manually operated optical scanning system
US3801776A
(en)
*
1972-12-26
1974-04-02
Bourns Inc
Optical mark sense reader for tab cards
US3860790A
(en)
*
1973-01-22
1975-01-14
Minnesota Mining & Mfg
Data processing form
DE2360664A1
(en)
*
1973-12-05
1975-06-12
Bell & Howell Co
METHOD AND DEVICE FOR SCANNING MARKS ARRANGED ON A RECORDERING MEDIUM
US3884553A
(en)
*
1974-01-16
1975-05-20
Technical Operations Inc
Optical display system with improved spectral efficiency
US4151582A
(en)
*
1974-12-26
1979-04-24
Izon Corporation
Point array sheet lighting apparatus
US4039770A
(en)
*
1975-06-11
1977-08-02
Xerox Corporation
Interface system to control flash lamp
US4132976A
(en)
*
1975-09-08
1979-01-02
Siegal Richard G
Operator readable and machine readable character recognition systems
US4195773A
(en)
*
1977-03-21
1980-04-01
Ralph Ogden
Programmable controller system for industrial process apparatus
US4214153A
(en)
*
1978-08-10
1980-07-22
Ralph Ogden
Tape and tape reader arrangement for programmable controllers
US4286145A
(en)
*
1980-02-20
1981-08-25
General Dynamics, Pomona Division
Fiber optic bar code reader
SE449934B
(en)
*
1980-11-10
1987-05-25
Asea Ab
APPARATUS FOR SIMPLE GENERATION AND DETECTION OF REGISTRATIONS
US4469941A
(en)
*
1982-03-15
1984-09-04
General Dynamics, Pomona Division
Parallel-in, serial-out fiber optic image scanner
US4842357A
(en)
*
1988-08-08
1989-06-27
The Boeing Company
Integrated wavelength division multiplexed optical sensor
US4906837A
(en)
*
1988-09-26
1990-03-06
The Boeing Company
Multi-channel waveguide optical sensor
US5001306A
(en)
*
1990-02-16
1991-03-19
Summagraphics Corporation
Distributed optical fiber device for digitizer tablet
DE19817270C2
(en)
*
1998-04-18
2003-11-13
Leuze Electronic Gmbh & Co Kg
coding strip
US6404572B1
(en)
*
1999-05-05
2002-06-11
Texas Instruments Incorporated
Circuit and method for generating a write precompensation signal
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3201569A
(en)
*
1961-06-12
1965-08-17
United Aircraft Corp
Mark selection circuit
BE628356A
(en)
*
1962-11-05
US3215135A
(en)
*
1963-02-04
1965-11-02
Ernst K Franke
Miniature pressure gauge for the measurement of intravascular blood pressure
US3305689A
(en)
*
1963-06-26
1967-02-21
Sanders Associates Inc
Electro-optical signal converter system
US3284929A
(en)
*
1964-05-19
1966-11-15
Automata Corp
Test grading machine
US3430057A
(en)
*
1965-06-22
1969-02-25
Schneider Co Optische Werke
Episcopic scanning head having smaller optical fibers interleaved in interstices formed by contiguous larger fibers
US3409760A
(en)
*
1966-12-14
1968-11-05
Monarch Marking Systems Inc
Machine readable merchandise tag
1968
1968-04-29
US
US724855A
patent/US3576430A/en
not_active
Expired – Lifetime
1969
1969-04-01
GB
GB06975/69A
patent/GB1213427A/en
not_active
Expired
1969-04-24
FR
FR6912984A
patent/FR2007174A1/fr
not_active
Withdrawn
1969-04-25
DE
DE19691921266
patent/DE1921266A1/en
active
Pending
Also Published As
Publication number
Publication date
FR2007174A1
(en)
1970-01-02
US3576430A
(en)
1971-04-27
DE1921266A1
(en)
1969-12-04
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Legal Events
Date
Code
Title
Description
1971-05-19
PS
Patent sealed [section 19, patents act 1949]
1973-10-24
PLNP
Patent lapsed through nonpayment of renewal fees
