Invalidity dossier
US 6519630
Production of document data including dynamic character representation
Current assignee: Pioneer Corp
Added 9/23/2026, 4:04:30 PM
Active provider: DeepSeek · deepseek-flash
Patent summary
Title, assignee, inventors, filing/issue dates, abstract, and a plain-language overview of the claims.
Patent Overview: US6519630B1
Title: Production of document data including dynamic character representation
Patent Number: US6519630B1
Assignee/Current Assignee (as listed): Pioneer Corp; Geotechnologies Inc. Original assignees: Pioneer Electronic Corp; Increment P Corp.
Inventor: Takeshi Hanawa
Key Dates:
- Priority date: 1998-05-11
- Filing date: 1999-05-10
- Publication/grant date: 2003-02-11
- Anticipated expiration: 2019-05-10
- Status: Expired – Fee Related
Purpose:
The invention addresses the poor expressiveness of electronic mail, which is conventionally transmitted as static text. Since E-mail is typically read on a display screen rather than paper, the patent proposes dynamically displaying characters to enhance the expressiveness of E-mail contents without the large file-size penalty of attaching image data.
Plain-Language Scope:
The patent covers transmitting and receiving electronic mail that includes character codes of a mail document plus at least one conversion program for displaying characters dynamically. On the receiving side, character patterns corresponding to the character codes are read from a font storage unit, spread onto a bit map memory to produce bit map fonts, converted using the received conversion program according to the passage of time, and displayed. The conversion program may include a coordinate conversion program (converting pixel coordinates over time) or a filter program (filter operation processing on the bit map font).
The excerpt also describes a transmitting method where a user inputs a character sequence, designates a range and a type of dynamic character display applied to that range, designates a receiver address, and transmits an E-mail containing the character codes, range data, display-type data, and address. Corresponding computer-readable storage media, a character display device, and a document data producing device are also described.
Source: https://patents.google.com/patent/[US6519630](/patent/US6519630)/en
What the excerpt does not establish:
The supplied text is an excerpt; it omits the full claims, detailed description, drawings, and any specific prior-art references. It does not establish claim language with precision, the exact number or scope of claims, embodiments beyond those summarized, or any legal conclusions regarding validity, infringement, or enforceability.
Generated 10/1/2026, 9:51:10 PM
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Litigation summary
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PTAB challenges
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Assignment history
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Prior art
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Obviousness
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Extensions
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Derivative works
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