JPS4941718B1 - - Google Patents
Info
- Publication number
- JPS4941718B1 JPS4941718B1 JP43096549A JP9654968A JPS4941718B1 JP S4941718 B1 JPS4941718 B1 JP S4941718B1 JP 43096549 A JP43096549 A JP 43096549A JP 9654968 A JP9654968 A JP 9654968A JP S4941718 B1 JPS4941718 B1 JP S4941718B1
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
- G07C9/24—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature
- G07C9/243—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature visually, e.g. by comparing in a viewer the written signature with a reference on the pass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Credit Cards Or The Like (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43096549A JPS4941718B1 (show.php) | 1968-12-30 | 1968-12-30 | |
| US885694A US3609035A (en) | 1968-12-30 | 1969-12-17 | Method and device for recording characters or symbols in a reproducibly indiscernible manner |
| DE1965370A DE1965370C3 (de) | 1968-12-30 | 1969-12-30 | Verfahren und Vorrichtung zum Aufzeichnen von Bild-Klarinformation als Bild-Geheiminformation auf einem lichtempfindlichen Material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP43096549A JPS4941718B1 (show.php) | 1968-12-30 | 1968-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4941718B1 true JPS4941718B1 (show.php) | 1974-11-11 |
Family
ID=14168154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP43096549A Pending JPS4941718B1 (show.php) | 1968-12-30 | 1968-12-30 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3609035A (show.php) |
| JP (1) | JPS4941718B1 (show.php) |
| DE (1) | DE1965370C3 (show.php) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE789941A (fr) * | 1971-04-21 | 1973-02-01 | Waly Adnan | Systeme d'enregistrement et de lecture d'images miniaturisees |
| JPS4953817A (show.php) * | 1972-09-25 | 1974-05-25 | ||
| US4143967A (en) * | 1976-07-30 | 1979-03-13 | Benjamin J. Haggquist | Latent photo system |
| US4527333A (en) * | 1984-01-23 | 1985-07-09 | Graphic Arts Technical Foundation | Device for indicating a quantitative change in dot area of an image in a printing process and the method of making the same |
| GB2172850A (en) * | 1985-03-01 | 1986-10-01 | Kenrick & Jefferson Ltd | Security documents |
| PL2335943T3 (pl) * | 2003-11-21 | 2015-02-27 | Visual Physics Llc | Mikrooptyczny układ zabezpieczający i prezentujący obraz |
| US8867134B2 (en) * | 2003-11-21 | 2014-10-21 | Visual Physics, Llc | Optical system demonstrating improved resistance to optically degrading external effects |
| DE102005016818B4 (de) * | 2005-04-07 | 2007-09-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Einrichtung zur optischen Verschlüsselung, Einrichtung zur optischen Entschlüsselung und Verschlüsselungs-/Entschlüsselungs-System |
| KR101265368B1 (ko) * | 2005-05-18 | 2013-05-20 | 비쥬얼 피직스 엘엘씨 | 화상 표시 및 마이크로-광학 보안 시스템 |
| CN101443692B (zh) * | 2006-05-12 | 2012-11-21 | 克瑞尼股份有限公司 | 微型光学膜结构、安全文件或标签及其鉴定方法 |
| CA2769301C (en) * | 2009-08-12 | 2018-09-18 | Visual Physics, Llc | A tamper indicating optical security device |
| EP2668526B1 (en) | 2011-01-28 | 2018-07-04 | Crane & Co., Inc. | A laser marked device |
| AU2012299113B2 (en) | 2011-08-19 | 2015-05-07 | Visual Physics, Llc | Optionally transferable optical system with a reduced thickness |
| EP4282665A1 (en) | 2012-08-17 | 2023-11-29 | Visual Physics, LLC | A process for transferring microstructures to a final substrate |
| CN105339180B (zh) | 2013-03-15 | 2018-05-11 | 光学物理有限责任公司 | 光学安全性设备 |
| US9873281B2 (en) | 2013-06-13 | 2018-01-23 | Visual Physics, Llc | Single layer image projection film |
| ES2959453T3 (es) | 2014-03-27 | 2024-02-26 | Visual Physics Llc | Un dispositivo óptico que produce efectos ópticos similares a parpadeos |
| US10766292B2 (en) | 2014-03-27 | 2020-09-08 | Crane & Co., Inc. | Optical device that provides flicker-like optical effects |
| CN108583058B (zh) | 2014-07-17 | 2020-11-10 | 光学物理有限责任公司 | 用于制造聚合物安全文件的改善的聚合物片材 |
| EP4620696A3 (en) | 2014-09-16 | 2026-01-14 | Crane Security Technologies, Inc. | Secure lens layer |
| EP3256642A1 (en) | 2015-02-11 | 2017-12-20 | Crane & Co., Inc. | Method for the surface application of a security device to a substrate |
| EP4026702A1 (en) | 2017-02-10 | 2022-07-13 | Crane & Co., Inc. | Machine-readable optical security device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1000323A (en) * | 1910-06-27 | 1911-08-08 | George R Butler | Manufacture of pictures. |
| US1858661A (en) * | 1930-09-08 | 1932-05-17 | Delania E Decker | Camera |
| US3166625A (en) * | 1962-02-07 | 1965-01-19 | Bausch & Lomb | Optical cryptographic device |
| US3425770A (en) * | 1965-12-01 | 1969-02-04 | Technical Operations Inc | Superimposed photostorage and separation |
-
1968
- 1968-12-30 JP JP43096549A patent/JPS4941718B1/ja active Pending
-
1969
- 1969-12-17 US US885694A patent/US3609035A/en not_active Expired - Lifetime
- 1969-12-30 DE DE1965370A patent/DE1965370C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1965370A1 (de) | 1970-07-16 |
| US3609035A (en) | 1971-09-28 |
| DE1965370C3 (de) | 1975-06-19 |
| DE1965370B2 (de) | 1974-11-07 |