AT&T 1337 Digital Answering Machine
This is the AT&T 1337 Digital Answering Machine.
The AT&T 1337 digital answering machine, a relic from the era before cell phones, was designed for landline operations. Developed by the same team behind the first Apple Lisa desktop computer, the 1337 stands as a testament to early digital innovation. Design and History
Designed by Frog Design in 1990, the AT&T 1337 was a significant advancement over analog cassette tape recording answering machines.
Founded in 1969 in Germany by Hartmut Esslinger, Frog Design has a storied history of creating groundbreaking technology.
Features
The AT&T 1337 offered several features that were ahead of its time:
Digital Memory Storage: Unlike its analog predecessors, the 1337 stored messages in digital memory.
This allowed users to dial a code and remotely play back messages from anywhere in the world. This was radical at the time.
User-Friendly Programming: The included booklet made programming the device straightforward.
By entering a personalized remote code, users could easily manage their messages.
Integrated Circuit Chips: The machine housed thirteen integrated circuit chips, including:
Two LM324N General Purpose Operational Amplifier 4 Circuit chips
Two CD4066BE chips
One Texas Instruments R1500007Fn chip
One Texas Instruments WE DSP16A chip
One T7513B-1PE CMOS, Communication, Frequency Signal Converters/Generator with a Pulse Code Modulation Codec
Two 74LS164N 8-Bit Parallel-Out Serial Shift Registers for running two eight-segment LEDs
One LM386 low-voltage audio power amplifier
One PC74HC14P 8-Bit shift register for serial-to-parallel data conversion and remote control holding register
One Texas Instruments TMA444ODM chip
One PC74HCU04P, six single-stage HEX inverters
Power Requirements.
The 1337 requires a single 9-volt battery to keep messages in memory, ensuring that no important information is lost.
Personal Reflection.
I thoroughly enjoyed using the AT&T 1337. Its reliability and innovative features made it a valuable tool in its time.
Join the Conversation.
Have you used the AT&T 1337 digital answering machine? If so, share your experiences in the comments.
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