US3864038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Density control printer
Assignee: Individual
•
Filing: 1973-09-18
•
Granted: 1975-02-04
•
Expires: 1993-09-18
Abstract
Abstract A density control identification printer is disclosed which includes an enclosed film printing chamber and an energy storing and releasing system such as an electrically actuated condensor or capacitor for providing a source of controlled illumination. The top surface of the printing chamber is equipped with a translucent window of which one section thereof is adapted with a density-graded mask. The remaining portion of the window is sized and adapted to receive a notched printed information card. An unexposed portion of X-ray film is placed over the mask and information card and covered by a tight fitting lid. A switch is automatically actuated and a controlled amount of light is released whereby an image of the mask is transferred to the film. Concomitantly therewith, an image of the information printed on the information card is transferred to the film for identification use.
Inventors
- 👤 James C Palazzolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:32
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03B42/047; G01; G01J; G01J1/00; G01J1/42
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
127 words
A density control and identification printer for transferring a density control strip and identifying information to an unexposed portion of exposed X-ray film comprising: a printing chamber and energy storing and releasing means contained within said chamber for transmitting a constant and reproducible amount of light energy, a translucent window positioned in the top wall of said chamber wherein one section of said window contains a graded film density strip and the remaining segment of said window provides space to receive an identification card containing identifying information, said film density strip being characterized by a series of graded densities which, when transferred to said Xray film, will provide information as to whether said X-ray film has been properly processed and/or whether the X-ray film was properly exposed.
Claim 2
Dependent Claim
127 words
A density control and identification printer for transferring a density control strip and identifying information to an unexposed portion of exposed X-ray film comprising: a printing chamber and energy storing and releasing means contained within said chamber for transmitting a constant and reproducible amount of light energy, a translucent window positioned in the top wall of said chamber wherein one section of said window contains a graded film density strip and the remaining segment of said window provides space to receive an identification card containing identifying information, said film density strip being characterized by a series of graded densities which, when transferred to said Xray film, will provide information as to whether said X-ray film has been properly processed and/or whether the X-ray film was properly exposed.
Claim 3
Dependent Claim
21 words
The printer of claim 1, wherein the energy storing and releasing means includes a capacitor electrically connected to an illuminating means.
Claim 4
Dependent Claim
13 words
The printer of claim 2, wherein the illuminating means is a flash lamp.
Claim 5
Dependent Claim
123 words
A density control and identification printer for transferring a density control strip and identifying information to an unexposed portion of exposed X-ray film comprising: a printing chamber and an illuminating source contained within said chamber for transmitting a desired amount of light energy, a translucent window positioned in the top wall of said chamber wherein one section of said window contains a graded film density strip and the remaining segment of said window provides space to receive an identification card containing identifying information, said film density strip being characterized by a series of graded densities which, when transferred to said X-ray film, will provide information as to whether said X-ray film has been properly processed and/or whether the X-ray film was properly exposed.
Claim 6
Dependent Claim
123 words
A density control and identification printer for transferring a density control strip and identifying information to an unexposed portion of exposed X-ray film comprising: a printing chamber and an illuminating source contained within said chamber for transmitting a desired amount of light energy, a translucent window positioned in the top wall of said chamber wherein one section of said window contains a graded film density strip and the remaining segment of said window provides space to receive an identification card containing identifying information, said film density strip being characterized by a series of graded densities which, when transferred to said X-ray film, will provide information as to whether said X-ray film has been properly processed and/or whether the X-ray film was properly exposed.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-03 | 1978-08-05 | 1979-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-03 | 1982-08-05 | 1983-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-03 | 1986-08-05 | 1987-02-04 | $7700.00 | Window Closed / Lapsed |