Company Filing History:
Years Active: 1993-1997
Title: The Innovative Contributions of Daniel I Schwed
Introduction
Daniel I Schwed is a notable inventor based in Lynchburg, VA, who has made significant contributions to the field of digital communications. With a total of five patents to his name, Schwed has demonstrated a commitment to advancing technology through innovative solutions.
Latest Patents
One of Schwed's latest patents is a digital radio with a vocoding encrypting codec. This new digital radio integrates codec, vocoder, and encryption/decryption processing all on a single integrated circuit chip module. It offers great flexibility in terms of different operating modes, such as encrypt/decrypt only, vocode only, or both encrypt/decrypt and vocode. The design reduces the overhead on the radio control processor, as it does not need to transfer data between various processes and components. An internal executive routine within the module manages all vocoder and encryption command and data processing. Additionally, a special synchronization scheme is implemented to align the transceiver modem rate with the speech processing rate.
Another significant patent is a full duplex RF repeater/base station that features microprocessor-controlled operations. In this design, a microcomputer within the duplex RF transceiver operates in an interrupt-driven manner to simultaneously encode and decode CTCSS signaling. This is achieved with minimal external control hardware, resulting in an arrangement that is both inexpensive and reliable. The system requires only a few components in addition to the appropriately programmed microcomputer to provide simultaneous encoding and decoding of CTCSS signals.
Career Highlights
Schwed's career has been marked by his work at Ericsson Ge Mobile Communications Inc., where he has been able to apply his innovative ideas in practical applications. His contributions have not only advanced the technology but have also paved the way for future developments in the field.
Collaborations
Throughout his career, Schwed has collaborated with notable colleagues, including Rodney L Nickel and Claude L Vignali. These partnerships have likely contributed to the success of his projects and patents.
Conclusion
Daniel I Schwed's work in digital communications exemplifies the spirit of innovation and the importance of collaboration in advancing technology. His patents reflect a deep understanding of the complexities of digital radio systems and their applications. Schwed's contributions continue to influence the field and inspire future inventors.
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